Chicago winter birds / by Colin C. Sanborn, Asst., Division of Birds.
Sanborn, Colin Campbell,
Field Museum of Natural History,
"Classified list of Chicago winter birds": p. 10-11.
Pages also numbered 13-24.
Fieldiana, Popular series, Zoology, was published by Field Museum of Natural History, Dept. of Zoology as Leaflet (no. 1-5, 1922-1923), as Zoological leaflet (no. 6, 1924), and as Zoology leaflet (no.
QL1 .F5 no. 2
Leaflet (Field Museum of Natural History. Dept. of Zoology) ; no. 2