Poison-ivy, poison-oak, and poison sumac : identification, precautions, eradication /
Crooks, D. M.(Donald Mundell),1902-
Kephart, L. W.(Leonard Wheeler),1892-
United States.Department of Agriculture.
Washington : U.S. Govt. Print. Off. : For sale by the Supt. of Docs.,
1958.
Caption title.
Supersedes Farmers bulletin 1166.
Poison ivy.
Poison sumac.