The birds of California : a complete, scientific and popular account of the 580 species and subspecies of birds found in the state Q Science
Field, forest, and wayside flowers; with chapters on grasses, sedges, and ferns; untechnical studies for unlearned lovers of nature 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
