(Agriculture Dept. Bulletin 816.) [Includes lists of Agriculture Department publications relating to diseases and insects affecting shade and ornamental trees.]
Notes:
(Agriculture Dept. Bulletin 816.) [Includes lists of Agriculture Department publications relating to diseases and insects affecting shade and ornamental trees.] * For Sale by Superintendent of Documents. Paper, 15c.
Availability:
* For Sale by Superintendent of Documents. Paper, 15c.