Poison-ivy, poison-oak and poison sumac
Subtitle: identification, precautions, eradication
Edition: Slightly rev. July 1951.
Series: Farmers' bulletin / U.S. Department of Agriculture -- no. 1972; Farmers' bulletin (United States. Department of Agriculture) -- no. 1972.
Publisher: Govt. print. off.
Published: 1951
Place of publication: Washington
Language: eng
Number of pages: 30
Subjects: Poison ivy; Poison sumac