"By the 1950s, all Cleveland public school students maintained garden plots as a way to learn natural science and responsible citizenship." -Masi, Brad; Fiskio, Janet, and Shammin, Md Rumi. "Urban Agriculture in Rust Belt Cities". Solutions. Jan-Feb 2014. Volume 5, Issue 1
original source: Mader, J. Images of America--Cleveland School Gardening (Arcadia Publishing, Charleston, SC, Chicago, IL, Portsmouth, NH, San Francisco, CA, 2010).