Fluctuations in numbers of birds in the Toronto region.
Series: Foundation reprint; no. 27
Publisher: Foundation for the Study of Cycles
Published: 1948
Place of publication: Riverside, Conn
Language: eng
Number of pages: 419
Subjects: Birds -- Ontario.; Cycles.
Notes: "References": p. 418-[419]
"Reprinted ... from the Auk, vol. 56, October 1939."