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By "Douglass, Benjamin W. "
Fourth annual report of the State entomologist of Indiana / Benjamin W. Douglass.
By: Douglass, Benjamin W. - Metcalf Collection (North Carolina State University).
Publication info: Indianapolis :W.B. Burford,1912.
Contributed by: NCSU Libraries (archive.org)
A preliminary bulletin concerning some bee diseases in Indiana.
By: Indiana. - Demuth, George S. - Douglass, Benjamin W.
Publication info: Indianapolis, Ind.
Contributed by: Library of Congress