GILBERT, BENJ.D. List of North American Pteridophytes. 1901. Utica, N.Y.
HERVEY, ALPHAEUS B. Wayside Flowers and Ferns. Page & Co. Boston, 1899.
HEMSLEY, ALFRED. Book of Fern Culture. John Lane. London, 1908.
HIBBARD, SHIRLEY. The Fern Garden. Groombridge & Sons. 5 Paternoster Row, London. 1869.
HOOKER, SIR W.J. Genera Filicum. Large 8vo. London, 1842. Contains fine plates which include all American genera. Costs about $25.
Species Filicum. 5 vols. 8vo. London, 1846-64. Vol. II contains seventeen and Vol. Ill contains two plates of American ferns with descriptions of more species. Cost about $50.
HOOKER, SIR W.J., & BAKER. Synopsis Filicum 2d ed. 1874. 8vo. Describes all ferns then known, including the American species. Has also figures illustrating each genus. Costs about $10.
LOWE, EDWARD J. Ferns British and Exotic. 9 vols. 8vo. Bell & Daldy. London, 1868. 550 plates, some very poor. Some American ferns are represented. "The descriptions," says John Robinson, "are worthless, and the synonymy is often incorrect."
MAXON, WILLIAM R. A List of Ferns and Fern Allies of North America, north of Mexico, etc. National Museum, 23:619-651. 1901.
Numerous Monographs and Notes on American Ferns in current magazines.