The preparation of illustrations for reports of the United States Geological survey, with brief descriptions of processes of reproduction Q Science
The birds of North and Middle America : a descriptive catalogue of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean sea, and the Galapagos Archipelago Q Science
Lepidopteren von Madagascar. Neue und wenig bekannte Arten, zumeist aus der Sammlung der Senckenberg’schen naturforschenden Gesellschaft zu Frankfurt am Main, unter Berücksichtigung der gesammten Lepidopteren-Fauna Madagascars Q Science
Global dynamics of the earth : applications of normal mode relaxation theory to solid-earth geophysics Q Science