1940. When the dove travels. Outdoor Georgia, vol. 1. No. 4, pp. 9 and 22 (1 map). 1941. The waterfowl flyways. "Wild Ducks," Am. Wildlife Inst., pp. 20-29. 1942a. La migración de aves en el Hemisferio Occidental. Pub. and dist. by Panam. Sec. of the Int. Comm. for the Protection of Birds. Pp. 1-12, illus. (maps). Both Spanish and English versions. 1942b. Migration routes and flyways. In "Ducks, Geese and Swans of North America," by Francis H. Kortright, Am. Wildlife Inst., pp. 47-53. 1944a. Regulation by flyways. Am. Rifleman, vol. 92, No. 11, pp. 21-23, 26, illus. (3 maps). 1944b. Chimney swift winter range discovered. The Auk, vol. 61, No. 4, pp. 604-609, map. 1945a. The mourning dove as a game bird. Fish and Wildlife Serv. Cir. 10, pp. 1-8, illus. 1945b. Flyway regulations. Trans. 10th N. A. Wildlife Conf., pp. 50-51. 1946. Keeping up with the waterfowl. Audubon Mag., vol. 48, No. 3, pp. 194-205, 7 illus., 10 maps. Reprinted as Fish and Wildlife Serv. Leaflet 294, April 1947, pp. 1-10. 1949. The Mississippi flyway. Lead-off chapter in "Wildfowling in the Mississippi Flyway" ed. by Eugene V. Connett, D. Van Nostrand Co., New York, pp. 1-18, map, 12 photos. Lowery, George H. 1945, Trans-Gulf spring migration of birds and the coastal hiatus. Wilson Bull., vol. 57, No. 2, pp. 92-121, pis. 9, 10. 1946. Evidence of trans-Gulf migration. The Auk, vol. 63, No. 2, pp. 175-211. McMillan, Neil T. 1938. Birds and the wind. Bird Lore, vol. 40, No. 6, 3 plates. Reprinted Smithsonian Kept, for 1939, pp. 355-363. Magee, M. J. 1928. Evening grosbeak recoveries. Northeastern Bird Banding Assoc. Bull., vol. 4, pp. 56-59. Main, John S. 1932. The influence of temperature on migration. Wilson Bull., vol. 44, pp. 10-12. May, J. B. 1929. Recoveries of black-crowned night herons banded in Massachusetts. Northeastern Bird Banding Assoc. Bull., vol. 5, pp. 7-16, illus. Palmén, J. A. 1893. Report on the migration of birds. Transl. from the German by C. W. Shoemaker. Smithsonian Inst. Ann. Rept., 1892, pp. 375-396, illus. Phillips, J. C. and F. C. Lincoln 1930. American waterfowl: their present situation and the outlook for their future. Houghton Mifflin Co., Cambridge, Mass., pp. i-xv, 1-312, illus. Pough, Richard H. 1948. Out of the night sky. Audubon Mag., vol. 50, No. 6, pp. 354-355, illus. Rense, William A. 1946. Astronomy and ornithology. Popular Astron., vol. 54, No. 2, pp. 1-19. Robbins, Chandler S. 1949. Weather and bird migration. The Wood Thrush, vol. 4, No. 4, pp. 130-144. Rowan, W. 1925. Relation of light to bird migration and developmental changes. Nature [London] vol. 115, pp. 494-495.