Our Birds and their Nestlings. Margaret Coulson Walker. American Book Co.
Our Greatest Travelers. Wells W. Cooke. (Reprinted in Common Birds of Town and Country.)
Outdoor Studies. James G. Needham. American Book Co.
Passenger Pigeon, The. W. B. Mershon. The Outing Publishing Co.
Primer of Bird-Study. Ernest Ingersoll. The National Association of Audubon Societies.
Propagation of Wild-Duck Foods. W. L. McAtee. U.S. Dept. of Agriculture Bulletin 465.
Sharp Eyes. William Hamilton Gibson. Harper and Brothers.
Short Cuts and By-Paths. Horace Lunt. D. Lothrop Co.
Some Common Game, Aquatic, and Rapacious Birds in Relation to Man. W. L. McAtee and F. E. L. Beal. U. S. Dept. of Agriculture; Farmers' Bulletin 497.
Spring of the Year, The. Dallas Lore Sharp. Houghton Mifflin Co.