| Call number | Item |
| Q | Science (Go to start of category) |
| QH-QR | Biological Sciences (Go to start of category) |
| QK | Botany (Go to start of category) |
| QK495 .S5 L4 1924 | ![[Info]](https://onlinebooks.library.upenn.edu/info.gif) The Forest Giant (London: J. Cape, c1924), by Adrien Le Corbeau, trans. by T. E. Lawrence (Gutenberg text and illustrated HTML) |
| QK495 .U7W38 1856 | Monographie de la Famille des Urticées (in French; ca. 1856), by H. A. Weddell (page images at HathiTrust) |
| QK495 .V38 S3 | Monographia Generis Verbasci (two parts, in Latin; 1813-1822), by H. A. Schrader (page images at HathiTrust) |
| QK495 .Y8 B3 | The Genus Youngia (Carnegie Institution of Washington publication #484, 1937), by E. B. Babcock and G. Ledyard Stebbins (page images at HathiTrust) |
| QK501 .O64 N6 | Bog-Trotting for Orchids (New York and London: G.P. Putnam's Sons, 1904), by Grace Greylock Niles |
| QK505 .Z6 | Beiträge zur Physiologie und Morphologie Niederer Organismen, aus dem Kryptogamischen Laboratorium der Universität Halle a. S. (5 volumes in 1, in German; Leipzig: A. Felix, 1892-1895), ed. by Wilhelm Zopf |
| QK514 .S9 B397 | Beiträge zur Kryptogamenflora der Schweiz (in German) (full serial archives) |
| QK514 .S9 B397 | Cryptogamica Helvetica (in German) (full serial archives) |
| QK520 .A6 | American Fern Journal (partial serial archives) |
| QK523 .C65 | Genera Filicum: The Genera of Ferns (Waltham, MA: Chronica Botanica Co., 1947), by Edwin Bingham Copeland (page images at HathiTrust) |
| QK523 .K85 | Analecta Pteridographica seu Descriptio et Illustratio Filicum aut Novarum, aut Minus Cognitarum (in Latin; Leipzig: L. Voss, 1837), by Gustav Kunze (page images at HathiTrust) |
| QK523 .P931 | Supplementum Tentaminis Pteridographiae, Continens Genera et Species Ordinum Dictorum Marattiaceae, Ophioglossaceae, Osmundaceae, Schizaeaceae et Lygodiaceae (in Latin, with foreword in German; Prague: E Typographia Caes. Reg. Aulica Filiorum A. Haase, 1845), by K. B. Presl |
| QK525 .T6 | The Fern Lover's Companion: A Guide for the Northeastern States and Canada (ca. 1922), by George Henry Tilton (Gutenberg text and illustrated HTML) |
| QK525 .W73 | Ferns of Kentucky (Louisville: Printed by J. P. Morton and Co., 1878), by John Williamson |
| QK525.5 .N4 S25 | Ferns and Fern Allies of New Hampshire (Bulletin #2; Durham, NH: New Hampshire Academy of Science, 1947), by Edith Scamman (page images at HathiTrust) |
| QK526 .B8 F29 | Cryptogames Vasculaires (Fougères, Lycopodiacées, Hydropteridées, Equisétacées) du Brésil (2 volumes in French; Paris: J. B. Balliere et fils, et al, 1869-1873), by Antoine Laurent Apollinaire Fée |
| QK527 .L33 1860 | A Plain and Easy Account of the British Ferns; Together With Their Classification, Arrangement of Genera, Structure, and Functions; and a Glossary of Technical and Other Terms (revised edition; London: R. Hardwicke, ca. 1860), ed. by Phebe Lankester (page images at HathiTrust) |
| QK532 .F5 C6 | Ferns of Fiji (Bernice P. Bishop Museum Bulletin #59; Honolulu: The Museum, 1929), by Edwin Bingham Copeland (page images at HathiTrust) |
| QK532 .S3 C5 | A Revision of the Pteridophyta of Samoa (Bernice P. Bishop Museum Bulletin #177; Honolulu: The Museum, 1943), by Carl Christensen, contrib. by A. H. G. Alston (page images at HathiTrust; US access only) |
| QK532 .S6 C6 | Pteridophytes of the Society Islands (Bernice P. Bishop Museum Bulletin #93; Honolulu: The Museum, 1932), by Edwin Bingham Copeland (page images at HathiTrust) |
| QK534 .B9 | The Bryologist (partial serial archives) |
| QK537 .D52 | Historia Muscorum in Qua Circiter Sexcentae Species Veteres et Novae ad Sua Genera Relatae, Describuntur et Iconibus Genuinis Illustrantur, cum Appendice et Indice Synonymorum (in Latin; Oxford, UK: Theatro Sheldoniano, 1741), by Johann Jakob Dillenius (multiple formats at archive.org) |
| QK537 .D52 1811 | Appendix in Qua Continentur Nomina Plantarum Hodierna a Dillenio Descriptarum (volume intended to supplement Dillenius's Historia Muscorum, in Latin; Edinburgh: C. Stewart, ca. 1811), contrib. by Johann Jakob Dillenius (page images at HathiTrust) |
| QK537 .D57 | Historia Muscorum: A General History of Land and Water, &c., Mosses and Corals, Containing All the Known Species (London: Printed for J. Millan, 1768), by Johann Jakob Dillenius |
| QK541 .B7 | Mosses of Florida: An Illustrated Manual (Gainesville: University of Florida Press, 1963), by Ruth Schornherst Breen (page images at HathiTrust) |