This study included observations on the behavior of adult and young swallows with emphasis on feeding behavior, and growth rate of young in relations to the size of brood. Project report has not been submitted. Project Number 70.
"Parental Care in Cliff Swallows,"
Jackson Hole Research Station Annual Report: Vol. 1954
, Article 9.
Available at: http://repository.uwyo.edu/jhrs_reports/vol1954/iss1/9