Planting and care of shade trees Davis, James Elwood. creator University of Illinois at Urbana-Champaign. Agricultural Experiment Station. contributor University of Illinois (Urbana-Champaign campus). Extension Service in Agriculture and Home Economics. contributor text book Urbana 1940 1940
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ENG "In cooperation with University of Illinois. College of Agriculture. Agricultural Experiment Station and Extension Service in Agriculture and Home Economics." Illinois Tree planting Trees Circular (Illinois. Natural History Survey Division), 36 https://www.biodiversitylibrary.org/bibliography/46186 1426753 10.5962/bhl.title.46186