No. 1. Foraminifera, Their Classification and Economic Use. 1928

No. 2. A Resumé of New Genera of the Foraminifera Erected Since Early 1928. 1930

No. 3. A Bibliography of American Foraminifera. 1932

No. 4. Foraminifera, Their Classification and Economic Use, Edition 2. 1933

No. 5. An Illustrated Key to the Genera of the Foraminifera. 1933

No. 6. New Genera and Species of the Families Verneuilinidae and Valvulinidae and of the Subfamily Virgulininae. 1936

No. 7. A Monograph of the Foraminiferal Family Verneuilinidae. 170 pages and 20 plates

No. 8. A Monograph of the Foraminiferal Family Valvulinidae. 210 pages and 24 plates

No. 9. A Monograph of the Subfamily Virgulininae. 240 pages and 24 plates

No. 10. The Genus Articulina and Its Species. 21 pages and 4 plates

No. 11. The Genus Spiroloculina and Its Species. 82 pages and 9 plates

No. 12. Foraminifera from the Shallow Water of the New England Coast. 37 pages and 4 plates

No. 13. The Species of Foraminifera Recorded by d'Orbigny in 1826 from the Pliocene of Castel Arquato, Italy. 27 pages and 6 plates

No. 14. The Foraminifera of the Cipero Marl Formation of Trinidad, British West Indies. 91 pages, 16 plates and 2 charts

No. 15. Miocene Foraminifera from Buff Bay, Jamaica. 85 pages and 12 plates

No. 16. A Rich Foraminiferal Fauna from the Cocoa Sand of Alabama. 40 pages and 8 plates

No. 17. The Species of Foraminifera Named and Figured by Fichtel and Moll in 1798 and 1803. 16 pages and 4 plates

No. 7A. A Supplement to the Monograph of the Foraminiferal Family Verneuilinidae. 43 pages and 4 plates

No. 18. The Foraminiferal Fauna of the Lizard Springs Formation of Trinidad, British West Indies. 48 pages and 8 plates

No. 19. A Foraminiferal Fauna from the Pliocene of Timms Point, California. 46 pages and 8 plates

No. 8A. A Supplement to the Monograph of the Foraminiferal Family Valvulinidae. 69 pages and 8 plates

No. 20. An Eocene Foraminiferal Fauna from the Chira Shale of Peru. 27 pages and 4 plates

No. 21. Foraminifera from the Coast of Washington. 23 pages and 4 plates

No. 22. The Foraminiferal Fauna of the Oligocene, Ste. Croix Formation, of Trinidad, B. W. I. 46 pages and 8 plates

No. 23. Arctic Foraminifera. 79 pages and 8 plates

No. 24. Eocene Foraminifera of the Navet and Hospital Hill Formations of Trinidad, B. W. I. 42 pages and 8 plates