Sergei Buturlin Waders of the Russian Empire. Kuliki Rossieskoi Imperie—Premiya-k-Journal -Psovaia i Rujeinaia.Ohota.Tula, 1902.
Joseph Grinnell Pacific Coast Avifauna.—No.3. Check-list of Californian Birds. By Joseph Grinnell. Cooper Ornithological Club of California. Santa Clara,June 1902. Roy. 8vo. 98 pp.
Karl Alfred von ZittelText-book of Palaeontology vol. ii. English edition,translated and edited by Charles E. Eastman, Ph.D. Vol. II. London :Macmillan.online BHL
Valentin Bianchi Ornitologisclieskie roaterialui expeditzi dla naooschno-promislnvago izsladomanya Murmana 1899–1901. [Ornithological Materials of the Expedition for the Scientific-industrial Exploration of Murman in 1899–1901.] Ann. Mus. Zool. Acad. Imp. Sci. de St. Petersbourg, vii. 1902.
Robert Ridgway, 1902-1919 [1941, 1946] The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago Washington Govt. Print. Off. online BHL