Posthumous works
By: ed. by Oscar Riddle.
Publisher: Carnegie Inst.
Published: 1919
Place of publication: Washington
Subjects: Heredity; Pigeons
Table of contents: title: Vol. 1. Orthogenetic evolution in pigeons.-  Vol. 2. Inheritance, fertility and the dominance of sex and color in hybrids of wild species of pigeons.-  Vol. 3. The behavior of pigeons.