A digital collection of images and documents
in the public domain
Greene, Louise M. 1911. Among School Gardens. New York : Charities Publication Committee.
Sipe, Susan. B. 1912. Some Types of Children's Garden Work. Washington. US Department of Agriculture, Bureau of Plant Industry and Experimental Stations.
Kennard, Beulah. 1914. "The Playgrounds of Pittsburgh." The Pittsburgh Survey, Ed. Paul Kellog. New York: The Russel Gage Foundation.
Jarvis, C.D., 1916. Gardening in Elementary City Schools: The Pittsburgh Plan. US Department of the Interior, Bureau of Education.
Fair to End the Vacation School Term, The Pittsburgh Press, August 6, 1910
Children's Vegetable Contest Was on Today, The Pittsburgh Press, July 2, 1912