Studies of the human form for artists, sculptors and scientists

Reports of Explorations and Surveys, to Ascertain the Practicability of a Ship-Canal Between the Atlantic and Pacific Oceans, by the Way of the Isthmus of Tehuantepec (Classic Reprint)

The American Grouse and Their Identification

Lectures on Biology (Classic Reprint)

VI. - Observations on the classification of birds

The American Grouse and Their Identification

Reports of Explorations and Surveys, to Ascertain the Practicability of a Ship-Canal Between the Atlantic and Pacific Oceans, by the Way of the Isthmus of Tehuantepec (Classic Reprint)

Published Figures and Plates of the Extinct Passenger Pigeon

VI. - Observations on the classification of birds

Contributions to the Study of Heloderma Seuspectum