Poison-ivy, Poison-oak and Poison Sumac: Identification, Precautions and Eradication
by D. M. (Donald Mundell) Crooks, Leonard Wheeler Kephart
Duration
~1 hours (78K characters)
Series
United States Department of Agriculture Farmers' Bulletin No. 1972 Credits
Produced by Tom Cosmas compiled from images made available
by The Internet Archive.
Publisher of text edition
Project Gutenberg