Field Guide to the Butterflies of North America, East of the Great PlainsAlexander B. Klots · First published 1960 · Latest edition 1978Open the Tome
Living insects of the worldAlexander B. Klots · First published 1959 · Latest edition 1967Open the Tome
A field guide to the butterflies of North AmericaAlexander B. Klots · First published 1960Open the Tome
The Community of Living Things in the Desert (Volume 5)Elsie B. Klots Alexander B. & Klots · First published 1959Open the Tome
A field guide to the Butterflies of north America, East of the Grreat plainsAlexander B. Klots · First published 1951Open the Tome
A Field Guide to the Butterflies The Peterson Field Guide SeriesKlots Alexander B · First published 1951Open the Tome
Type material of North American microlepidoptera other that aegeriidae in the American Museum of Natural HistoryAlexander B. Klots · First published 1942Open the Tome
