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• 15:59, 17 May 2011 GrafZahl talk contribs uploaded a new version of File:String Figures and How to Make Them.djvu (Version with less compression artefacts in the grayscale photographs )
• 12:16, 6 October 2010 GrafZahl talk contribs uploaded File:A grammar of English grammars.djvu ({{Information |Description={{en|1=10th edition of ''A grammar of English Grammar'' by w:Goold Brown, later revised by Samuel U. Berrian.}} |Source=http://www.archive.org/details/grammarofenglish00browuoft |Author=Goold Brown, Samuel U. Berrian |Date=1)
• 17:42, 5 October 2010 GrafZahl talk contribs uploaded File:An essay towards a topographical history of the county of Norfolk vol. 10.djvu ({{Information |Description={{en|1=Tenth volume of w:Francis Blomefield's and Charles Parkin's "History of Norfolk"}} |Source=http://www.archive.org/details/essaytowardstopo10blom |Author=Charles Parkin |Date=1809 |Permission=Public domain: the authors)
• 17:38, 5 October 2010 GrafZahl talk contribs uploaded File:An essay towards a topographical history of the county of Norfolk vol. 9.djvu ({{Information |Description={{en|1=Ninth volume of w:Francis Blomefield's and Charles Parkin's "History of Norfolk"}} |Source=http://www.archive.org/details/essaytowardstopo09blom |Author=Charles Parkin |Date=c. 1808 |Permission=Public domain: the auth)
• 17:34, 5 October 2010 GrafZahl talk contribs uploaded File:An essay towards a topographical history of the county of Norfolk vol. 8.djvu ({{Information |Description={{en|1=Eighth volume of w:Francis Blomefield's and Charles Parkin's "History of Norfolk"}} |Source=http://www.archive.org/details/essaytowardstopo08blom |Author=Charles Parkin |Date=1808 |Permission=Public domain: the author)
• 17:31, 5 October 2010 GrafZahl talk contribs uploaded File:An essay towards a topographical history of the county of Norfolk vol. 7.djvu ({{Information |Description={{en|1=Seventh volume of w:Francis Blomefield's and Charles Parkin's "History of Norfolk"}} |Source=http://www.archive.org/details/essaytowardstopo07blom |Author=Charles Parkin |Date=1807 |Permission=Public domain: the autho)
• 17:27, 5 October 2010 GrafZahl talk contribs uploaded File:An essay towards a topographical history of the county of Norfolk vol. 4.djvu ({{Information |Description={{en|1=Fourth volume of w:Francis Blomefield's and Charles Parkin's "History of Norfolk", second part of the history of Norwich}} |Source=http://www.archive.org/details/essaytowardstopo04blom |Author=Francis Blomefield |Date)
• 17:00, 5 October 2010 GrafZahl talk contribs uploaded File:An essay towards a topographical history of the county of Norfolk vol. 2.djvu ({{Information |Description={{en|1=Second volume of w:Francis Blomefield's and Charles Parkin's "History of Norfolk"}} |Source=http://www.archive.org/details/essaytowardstopo02inblom |Author=Francis Blomefield |Date=1805 |Permission=Public domain: the )
• 16:06, 6 May 2010 GrafZahl talk contribs uploaded File:Sulle serie a termini positivi.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in ''Annali delle Università Toscane'' '''IX''', 41—80 (1867).}} {{de|1=Mathematischer Aufsatz, erstmalig veröffentlicht in ''Annali delle Università Toscane'' '''IX''', 4)
• 20:45, 16 March 2009 GrafZahl talk contribs uploaded File:What will he do with it?.djvu ({{Information |Description={{en|1=Novel by Sir Edward Bulwer Lytton. DjVu file contains an OCRed text layer.}} |Source=http://www.archive.org/details/whatwillhedowith00lyttuoft |Author=Edward Bulwer-Lytton, 1st Baron Lytton |Date=1858 |Permission=Public d)
• 20:48, 9 February 2009 GrafZahl talk contribs uploaded File:Über homogene totale Differentialgleichungen.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in the ''Journal für die reine und angewandte Mathematik'' '''86''', 1–19 (1879).}} {{de|1=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine und)
• 21:33, 8 February 2009 GrafZahl talk contribs uploaded File:Über adjungirte lineare Differentialausdrücke.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in the ''Journal für die reine und angewandte Mathematik'' '''85''', 185–213 (1878).}} {{de|1=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine u)
• 20:39, 5 February 2009 GrafZahl talk contribs uploaded File:Über lineare Substitutionen und bilineare Formen.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in the ''Journal für die reine und angewandte Mathematik'' '''84''', 1–63 (1878).}} {{de|1=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine und)
• 21:56, 4 February 2009 GrafZahl talk contribs uploaded File:Note sur la théorie des formes quadratiques à un nombre quelconque de variables.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in the ''Comptes rendus de l'Académie des sciences Paris'' '''85''', 131–133 (1877).}} {{fr|1=Une publication scientifique qui était publiée dans les ''Comptes rendus de l)
• 23:11, 3 February 2009 GrafZahl talk contribs uploaded File:Zur Theorie der elliptischen Functionen.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in the ''Journal für die reine und angewandte Mathematik'' '''83''', 175–179 (1877).}} {{de|1=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine u)
• 15:59, 28 September 2008 GrafZahl talk contribs uploaded File:Über das Pfaffsche Problem.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in the ''Journal für die reine und angewandte Mathematik'' '''82''', 230–315 (1875).}} {{de|1=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine u)
• 19:13, 27 September 2008 GrafZahl talk contribs uploaded File:Über die regulären Integrale der linearen Differentialgleichungen.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in the ''Journal für die reine und angewandte Mathematik'' '''80''', 317–333 (1875).}} {{de|1=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine u)
• 20:19, 23 September 2008 GrafZahl talk contribs uploaded File:Über algebraisch integrirbare lineare Differentialgleichungen.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in the ''Journal für die reine und angewandte Mathematik'' '''80''', 183–193 (1875).}} {{de|1=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine u)
• 22:27, 12 July 2008 GrafZahl talk contribs uploaded File:The Works of William Harvey (part 2 of 2).djvu ({{Information |Description={{en|1=The Works of William Harvey, translated from Latin into English by Robert Willis.}} |Source= http://www.archive.org/details/worksofwilliamha00harviala |Author=William Harvey, Robert Willis |Date=1847 |Permission=Public)
• 22:20, 12 July 2008 GrafZahl talk contribs uploaded File:The Works of William Harvey (part 1 of 2).djvu ({{Information |Description={{en|1=The Works of William Harvey, translated from Latin into English by Robert Willis.}} |Source=http://www.archive.org/details/worksofwilliamha00harviala |Author=William Harvey, Robert Willis |Date=1847 |Permission=Public dom)
• 22:38, 9 July 2008 GrafZahl talk contribs uploaded File:Anwendungen der Determinantentheorie auf die Geometrie des Maaßes.djvu ({{Information |Description={{en|1=Mathematical research paper, first published in the ''Journal für die reine und angewandte Mathematik'' '''79''', 185–247 (1875).}} {{de|1=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine u)
• 10:20, 3 February 2008 GrafZahl talk contribs uploaded File:Über die Vertauschung von Argument und Parameter in den Integralen der linearen Differentialgleichungen.djvu ({{Information |Description=Jubiläumsschrift für "Herrn Director Bonnell", später veröffentlicht als mathematischer Aufsatz im ''Journal für die reine und angewandte Mathematik'' '''78''', 93–96 (1874). |Source="Gesammelte Abhandlungen", Spring)
• 23:56, 2 February 2008 GrafZahl talk contribs uploaded File:Über die Determinante mehrerer Functionen einer Variablen.djvu ({{Information |Description=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine und angewandte Mathematik''&mnsp;'''77'', 245–257 (1874). |Source="Gesammelte Abhandlungen", Springer. |Date=1874 |Author=Ferdinand Georg Frobenius )
• 09:25, 27 January 2008 GrafZahl talk contribs uploaded File:Über den Begriff der Irreductibilität in der Theorie der linearen Differentialgleichungen.djvu ({{Information |Description=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine und angewandte Mathematik'' '''76''', 236–270 (1873). |Source="Gesammelte Abhandlungen", Springer. |Date=1873 |Author=Ferdinand Georg Frobenius)
• 14:28, 26 January 2008 GrafZahl talk contribs uploaded File:Über die Integration der linearen Differentialgleichungen durch Reihen.djvu ({{Information |Description=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine und angewandte Mathematik'' '''76''', 214–235 (1873). |Source="Gesammelte Abhandlungen", Springer. |Date=1873 |Author=Ferdinand Georg Frobenius)
• 12:06, 26 January 2008 GrafZahl talk contribs uploaded File:Über die algebraische Auflösbarkeit der Gleichungen, deren Coefficienten rationale Functionen einer Variablen sind.djvu ({{Information |Description=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine und angewandte Mathematik'' '''74''', 254–272 (1872). |Source="Gesammelte Abhandlungen", Springer. |Date=1872 |Author=Ferdinand Georg Frobenius)
• 13:29, 18 December 2007 GrafZahl talk contribs uploaded File:Über die Entwicklung analytischer Functionen in Reihen, die nach gegebenen Functionen fortschreiten.djvu ({{Information |Description=Mathematischer Aufsatz, erstmalig veröffentlicht im ''Journal für die reine und angewandte Mathematik'' '''73''', 1–30 (1871). |Source="Gesammelte Abhandlungen", Springer. |Date=1871 |Author=Ferdinand Georg Frobenius |Permis)
• 15:40, 1 August 2007 GrafZahl talk contribs uploaded File:Proof of certain identities in combinatory analysis.djvu ({{Information |Description=Mathematical research paper. |Source=Reprint of pages 211–216 of vol. 19 of the Proceedings of the Cambridge Philosophical Society, found in "Ramanujan - Collected papers" with an introductory note by G. H. Hardy omitted)
• 13:54, 31 July 2007 GrafZahl talk contribs uploaded File:De functionum analyticarum unius variabilis per series infinitas repraesentatione.djvu ({{Information |Description=Dissertatio de Ferdinando Georgio Frobenio |Source="Gesammelte Abhandlungen", Springer |Date=1870 |Author=Ferdinandus Georgius Frobenius |Permission=dominium publicum: auctor e plure quam anni septuaginta defunctus est. |other_v)
• 15:34, 30 July 2007 GrafZahl talk contribs uploaded File:Congruence properties of partitions.djvu (uploading high-res version)
• 15:33, 30 July 2007 GrafZahl talk contribs uploaded File:Algebraic relations between certain infinite products.djvu (uploading high-res version)
• 14:57, 30 July 2007 GrafZahl talk contribs uploaded File:On the integral.djvu ({{Information |Description=On the integral <math>\int_0^x\frac{\tan^{-1}t}{t}dt</math>. (Mathematical research paper.) |Source=Photocopy of reprint of vol. VII (1915) of the Journal of the Indian Mathematical Society, pages 93–96, found in "Ramanuj)
• 13:02, 20 July 2007 GrafZahl talk contribs uploaded File:Algebraic relations between certain infinite products.djvu ({{Information |Description=Mathematical research article |Source=Photocopy of reprint of vol. XVIII, no. 2, (1920) of the Proceedings of the London Mathematical Sociecty, records for 13 March 1919, found in "Ramanujan - Collected papers" |Date=1919 |Autho)
• 12:29, 20 July 2007 GrafZahl talk contribs uploaded File:Congruence properties of partitions.djvu ({{Information |Description=Research article investigating some congruences mod <math>\mathbb{Z}</math> of the unrestricted partition function <math>p(n)</math>. |Source=Photocopy of reprint of vol. XVIII, no. 2, (1920) of the Proceedings of the London Mat)
• 20:13, 14 July 2007 GrafZahl talk contribs uploaded File:Approximately squaring the circle.svg ({{Information |Description=Ramanujan's construction of an approximate value of <math>\sqrt{\pi}</math>. If <math>|OR|=1</math>, then <math>|RD|^2=3.1415929\ldots\approx\pi</math>, see Image:Squaring the circle.djvu |Source=Own creation using [[w:euk)
• 14:48, 14 July 2007 GrafZahl talk contribs uploaded File:Squaring the circle.djvu ({{Information |Description=Research article describing an approximate squaring of the circle using ruler and compass (exact squaring is impossible with just those two). |Source=Photocopy of reprint of vol. V (1913) of the Journal of the Indian Mathematica)
• 20:20, 29 May 2007 GrafZahl talk contribs uploaded File:On the expression of a number.djvu ( {{Information |Description=DjVu version of the pages beginning at Image:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 11).png, made from the original scans rather than the PNG files. Now that ProofreadPag)
• 21:44, 22 May 2007 GrafZahl talk contribs uploaded File:On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢².djvu ({{Information |Description=DjVu version of the pages beginning at Image:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 11).png, made from the original scans rather than the PNG files. Now that ProofreadPage)
• 22:06, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 21).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:05, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 20).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:05, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 19).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:05, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 18).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:04, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 17).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:04, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 16).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:03, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 15).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:03, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 14).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:02, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 13).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:02, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 12).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 22:00, 11 March 2007 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 11).png ({{Information |Description=Scanned page from "On the expression of a number in the form 𝑎𝑥²+𝑏𝑦²+𝑐𝑧²+𝑑𝑢²" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Autho)
• 15:12, 1 October 2006 GrafZahl talk contribs uploaded File:Scan of "Proceedings of the Cambridge Philosophical Society 19 (1917-1920)" (English, page 41).png ({{Information |Description=Scanned page from "A Reduction in the number of the Primitive Propositions of Logic" |Source=Photocopy from volume 19 of "Proceedings of the Cambridge Philosophical Society" |Date=30 October 1916 |Author=Jean Nicod |Permission=P)