The Plant Quarantine Act, August 20, 1912, as amended March 4, 1913, and March 4, 1917 : an act to regulate the importation of nursery stock and other plants and plant products ...
The Plant Quarantine Act, August 20, 1912, as amended March 4, 1913, and March 4, 1917 : an act to regulate the importation of nursery stock and other plants and plant products ...
As amended March 4, 1913, March 4, 1917, May 31, 1920, and April 13, 1926 ... [Washington, U.S. G.P.O., 1927] (5 p. ; 24 cm.)
