The Crane flies (tipulidae) of the George Reserve, Michigan.

by Rogers, James Speed 1892-1955, Rogers, James Speed 1892-1955
Published 1942

El Hombre y el mundo biológico /

by Rogers, James Speed 1892-1955, Rogers, James Speed 1892-1955
Published 1961

El hombre y el mundo biologico /

by Rogers, James Speed 1892-1955, Rogers, James Speed 1892-1955
Published 1959

El hombre y el mundo biológico /

by Rogers, James Speed 1892-1955, Rogers, James Speed 1892-1955, Hubbell, Theodore H., Byers, C. Francis
Published 1946