1001 questions answered about insects /

by Klots, Alexander Barrett

Vida y costumbres de las mariposas /

by Klots, Alexander Barrett n. 1903, Klots, Alexander Barrett n. 1903
Published 1966

A field guide to the butterflies : of North America, east of the great plains /

by Klots, Alexander Barrett n. 1903, Klots, Alexander Barrett n. 1903
Published 1951

Los Insectos /

by Klots, Alexander Barrett n. 1903, Klots, Alexander Barrett n. 1903, Klots, Elsie Broughton
Published 1969

Los insectos /

by Klots, Alexander Barrett n. 1903, Klots, Alexander Barrett n. 1903, Klots, Elsie Broughton
Published 1973

Insects of North America /

by Klots, Alexander Barrett n. 1903, Klots, Alexander Barrett n. 1903, Klots, Elsie Broughton
Published 1900