Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe Q Science
Illustrationes florae Atlanticae : seu, Icones plantarum novarum, rariorum vel minus cognitarum in Algeria necnon in regno Tunetano et imperio Maroccano nascentium (in Compendio Florae atlanticae descriptarum) Q Science
The fishes of North and Middle America : a descriptive catalogue of the species of fish-like vertebrates found in the waters of North America, north of the Isthmus of Panama Q Science
Birds in their relations to man; a manual of economic ornithology for the United States and Canada Q Science
