Eleventh annual report of the state entomologist of Minnessota to the Governor for the year 1906 : Fifth annual report of F. L. Washburn /
by F. L. Washborn
- St. Anthony Park, Minn : Agricultural Experiment Station
- 88 p.
- Minnesota Agr. Exp. Sta. .
Encuadernado con: injurious insect of 1903/by F. L. Washburn
202277
Entomología -- Colecciones de escritos Entomología -- Investigación