1910. DISTRIBUTION AND MIGRATION OF NORTH AMERICAN SHOREBIRDS. U. S. Dept. Agr., Bur. Biol. Survey Bull. 35, 100 pp., illus.
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1913. DISTRIBUTION AND MIGRATION OF NORTH AMERICAN HERONS AND THEIR ALLIES. U. S. Dept. Agr., Bur. Biol. Survey Bull. 45, 70 pp., illus.
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1913. THE RELATION OF BIRD MIGRATION TO THE WEATHER. Auk 30: 205-221, illus.
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1914. DISTRIBUTION AND MIGRATION OF NORTH AMERICAN RAILS AND THEIR ALLIES. U. S. Dept. Agr. Bull. 128, 50 pp., illus.
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1915. BIRD MIGRATION. U. S. Dept. Agr. Bull. 185, 47 pp., illus.
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