Wheeler, W. M. 1918d. The ants of the genus Opisthopsis Emery. Bulletin of the Museum of Comparative Zoology 62:341-362. PDF
Wheeler, W. M. 1919a. Two gynandromorphous ants. Psyche (Cambridge) 26:1-8. PDF

Notes: Stamp date in MCZ library: 1919.03.18.

Wheeler, W. M. 1919b. A new subspecies of Aphaenogaster treatae Forel. Psyche (Cambridge) 26:50. PDF

Notes: Stamp date in MCZ library: 1919.04.22.

Wheeler, W. M. 1919c. The parasitic Aculeata, a study in evolution. Proceedings of the American Philosophical Society 58:1-40. PDF
Wheeler, W. M. 1919f. The ants of Borneo. Bulletin of the Museum of Comparative Zoology 63:43-147. PDF
Wheeler, W. M. 1919g. The ant genus Lordomyrma Emery. Psyche (Cambridge) 26:97-106. PDF

Notes: Stamp date in MCZ library: 1919.09.10.

Wheeler, W. M. 1919h. A new paper-making Crematogaster from the southeastern United States. Psyche (Cambridge) 26:107-112. PDF

Notes: Stamp date in MCZ library: 1919.09.10.

Wheeler, W. M. 1919i. The ants of Tobago Island. Psyche (Cambridge) 26:113. PDF

Notes: Stamp date in MCZ library: 1919.09.10.

Wheeler, W. M. 1919j. The ants of the genus Metapone Forel. Annals of the Entomological Society of America 12:173-191. PDF
Wheeler, W. M. 1919k. A singular neotropical ant (Pseudomyrma filiformis Fabricius). Psyche (Cambridge) 26:124-131. PDF

Notes: Stamp date in MCZ library: 1919.11.10.

Wheeler, W. M. 1920. The subfamilies of Formicidae, and other taxonomic notes. Psyche (Cambridge) 27:46-55. PDF

Notes: Stamp date in MCZ library: 1920.06.12.

Wheeler, W. M. 1921a. Professor Emery's subgenera of the genus Camponotus Mayr. Psyche (Cambridge) 28:16-19. PDF

Notes: Stamp date in MCZ library: 1921.04.25.

Wheeler, W. M. 1921c. Chinese ants. Bulletin of the Museum of Comparative Zoology 64:529-547. PDF
Wheeler, W. M. 1921d. Observations on army ants in British Guiana. Proceedings of the American Academy of Arts and Sciences 56:291-328. PDF
Wheeler, W. M. 1921e. Chinese ants collected by Prof. C. W. Howard. Psyche (Cambridge) 28:110-115. PDF

Notes: Stamp date in MCZ library: 1921.09.19.

Wheeler, W. M. 1921f. The Tachigalia ants. Zoologica (New York) 3:137-168. PDF
Wheeler, W. M. 1922. Ants of the American Museum Congo expedition. New York: Bulletin of the American Museum of Natural History, 1139.

Notes: Dummy reference, temporary for 130148, 130149, 130155, 130156, 130157, and 130158.

Wheeler, W. M. 1922d. Ants of the genus Formica in the tropics. Psyche (Cambridge) 29:174-177. PDF

Notes: Stamp date in MCZ library: 1922.10.10.

Wheeler, W. M. 1922e. The ants of Trinidad. American Museum Novitates 45:1-16. PDF