| Call number | Item |
| A | General Works (Go to start of category) |
| AE | General Encyclopedias (Go to start of category) |
| AE39 .D5 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) Enciclopedia Română (3 volumes in Romanian; Sibiu: W. Krafft, 1898-1904), ed. by Corneliu Diaconovici |
| AE60 .B8 K3 | Entsiklopedicheski Ri͡echnik (3 volumes in Bulgarian; Plovdiv: D. V. Manchov, 1899-1907), ed. by L. Kasŭrov |
| AE100 .M39 2022 | Wikipedia and the Representation of Reality (open access edition; New York and London: Routledge, 2022), by Zachary J. McDowell and Matthew A. Vetter (PDF files at taylorfrancis.com) |
| AE100 .R43 2010 | Good Faith Collaboration: The Culture of Wikipedia (Cambridge, MA and London: MIT Press, c2010), by Joseph M. Reagle, contrib. by Lawrence Lessig (PDF with commentary at MIT Press) |
| AE100 .W54 2020 | Wikipedia @ 20: Stories of an Incomplete Revolution (Cambridge, MA: MIT Press, 2020), ed. by Joseph M. Reagle and Jackie L. Koerner (multiple formats at MIT) |
| AE104 .U58 | An Universal, Historical, Geographical, Chronological and Poetical Dictionary (2 volumes; London: Printed for J. Hartley et al., 1703) (page images at HathiTrust) |
| AG | General Dictionaries and Other General Reference Works (Go to start of category) |
| AG5 .B4 1861 | Beeton's Dictionary of Universal Information: Comprising Geography, History, Biography, Mythology, Bible Knowledge, Chronology; With the Pronunciation of Every Proper Name (London: S. O. Beeton, ca. 1861), ed. by Samuel Orchart Beeton (page images at HathiTrust) |
| AG5 .B82 1853 | A Dictionary of Science, Literature and Art: Comprising the History, Description, and Scientific Principles of Every Branch of Human Knowledge, With the Derivation and Definition of All the Terms in General Use (New York: Harper and Bros., 1853), ed. by William Thomas Brande and Joseph Cauvin (page images at HathiTrust) |
| AG5 .B82 1854 | A Dictionary of Science, Literature, and Art: Comprising the History, Description, and Scientific Principles of Every Branch of Human Knowledge: With the Derivation and Definition of All the Terms in General Use (New York: Harper & Brothers, 1854), by William Thomas Brande, contrib. by Joseph Cauvin |
| AG5 .C44 1835 | Chambers's Information for the People (48 pamphlets in 1 volume; Edinburgh: W. and R. Chambers; London: Orr and Smith, 1835), by William Chambers and Robert Chambers |
| AG5 .C44 1842 | Chambers's Information for the People (new and improved (second) edition, 2 volumes; Edinburgh: W. and R. Chambers, 1842), ed. by William Chambers and Robert Chambers (page images at HathiTrust) |
| AG5 .C44 1848 | Chambers's Information for the People (third edition; Edinburgh: W. and R. Chambers; London: W.S. Orr, 1848-1849), ed. by William Chambers and Robert Chambers |
| AG5 .C44 1853 | Chambers's Information for the People: A Popular Encyclopaedia (stated as 15th American edition; Philadelphia: J. L. Gihon, 1853-1854), by William Chambers and Robert Chambers (page images at HathiTrust) |
| AG5 .C44 1853 | Chambers's Information for the People: A Popular Encyclopedia (fifth American edition, 2 volumes; Philadelphia: J. W. Moore, 1853), ed. by William Chambers and Robert Chambers (page images at HathiTrust) |
| AG5 .C44 1857 | Chambers's Information for the People (2 volumes; Philadelphia: J. B. Lippincott and Co., 1857), ed. by William Chambers and Robert Chambers (page images at HathiTrust) |
| AG5 .C44 1857 | Chambers's Information for the People (fourth edition, 2 volumes; London: W. and R. Chambers, 1857-1858), ed. by William Chambers and Robert Chambers (page images at HathiTrust) |
| AG5 .C44 1867 | Chambers's Information for the People (2 volumes; Philadelphia: J. B. Lippincott and Co., 1867), ed. by William Chambers and Robert Chambers (page images at HathiTrust) |
| AG5 .C44 1875 | Chambers's Information for the People (fifth edition, 2 volumes; London and Edinburgh: W. and R. Chambers, 1875), ed. by William Chambers, Robert Chambers, and Andrew Findlater (page images at HathiTrust) |
| AG5 .C44 1884 | Chambers's Information for the People (fifth edition, 2 volumes; London and Edinburgh: W. and R. Chambers, 1884), by William Chambers and Robert Chambers, ed. by Andrew Findlater |
| AG5 .C5 | Chandler's Encyclopedia: An Epitome of Universal Knowledge (3 volumes; New York: P. F. Collier, 1898), ed. by W. H. Chandler (page images at HathiTrust) |
| AG5 .C52 | The Children's Encyclopaedia (8 volumes; London: Educational Book Co., ca. 1910), ed. by Arthur Mee (page images at HathiTrust; US access only) |
| AG5 .C7 | Columbia Encyclopedia (6th edition, 2000; with additional resources) (HTML at infoplease.com) |
| AG5 .C723 | Zell's Popular Encyclopedia: A Universal Dictionary of English Language, Science, Literature, and Art (Philadelphia: T. E. Zell, 1871), by Leo de Colange |
| AG5 .C73 1922 | Compton's Pictured Encyclopedia (first edition, 8 volumes; Chicago: F. E. Compton and Co., c1922), ed. by Guy Stanton Ford |
| AG5 .E23 1881 | Words, Facts, and Phrases: A Dictionary of Curious, Quaint, and Out-of-the-Way Matters (Philadelphia: J. B. Lippincott and Co., ca. 1881), by Eliezer Edwards (page images at HathiTrust) |