1. The Nesting and Behavior of Mockingbirds in Northern Lower Michigan;Adkisson;Jack-Pine Warbler,1966
2. The First Morning Song of Some Birds of Washington, D;Allard;C: Its Relation to Light. Amer. Nat.,1930
3. Songs and Other Sounds of Birds;Arlton,1949
4. A Study of Bird Song;Armstrong,1963
5. Bird Study;Berger,1961