Carl Robert Osten-Sacken - Böcker

Western Diptera

Descriptions of New Genera and Species of Diptera From the Region West of the Mississippi, and Especially From California

Record Of My Life Work In Entomology

Record Of My Life Work In Entomology

Biologia Centrali-americana

Biologia Centrali-americana

On The Oxen-born Bees Of The Ancients (bugonia) And Their Relation To Eristalis Tenax, A Two-winged Insect

On The Oxen-born Bees Of The Ancients (bugonia) And Their Relation To Eristalis Tenax, A Two-winged Insect

Record Of My Life-work In Entomology, Parts 1-2

Record Of My Life-work In Entomology, Parts 1-2

Western Diptera

Descriptions of New Genera and Species of Diptera from the Region West of the Mississippi and Especially from California

Enumeration of the Diptera of the Malayan Archipelago