Common cabbage worm and its control
Chittenden, F.H.
Common cabbage worm and its control - Washington 1926 - 1-14 p. - Cabbage United States Department of Agriculture. Farmers Bulletin No. 1461 .
Common cabbage worm and its control - Washington 1926 - 1-14 p. - Cabbage United States Department of Agriculture. Farmers Bulletin No. 1461 .