Wissenschaftliche ergebnisse der Deutschen Zentral-Africa-Expedition, 1907-1908 : unter Führung Adolf Friedrichs, herzogs zu Mecklenburg Q Science
The myology of the raven (Corvus corax sinuatus.) A guide to the study of the muscular system in birds Q Science
Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia Q Science
The code of nomenclature and check-list of North American birds adopted by the American Ornithologists’ Union; being the report of the Committee of the Union on Classification and Nomenclature Q Science
Entomological news, and proceedings of the Entomological Section of the Academy of Natural Sciences of Philadelphia Q Science
