Poison ivy, poison oak and poison sumac : identification, precautions, eradication /
Crooks, Donald M.
Klingman, Dayton L.,1913-
United States.Science and Education Administration.
United States.Department of Agriculture.
[Washington] : Dept. of Agriculture, Science and Education Administration : for sale by the Supt. of Docs., U.S. Govt. Print. Off.,
[1978]
Poison ivy.
Poison sumac.