| Date of Issue | Title |
Authors |
| 1999 | A notopterid skull (Teleostei, Osteoglossomorpha) from the continental early Cretaceous of southern Morocco. American Museum novitates ; no. 3260 | Taverne, Louis.; Maisey, John G. |
| 1925 | Notropis cummingsi, a new minnow from Wilmington, North Carolina. American Museum novitates ; no. 168 | Myers, George S. (George Sprague), 1905-1985. |
| 1980 | The number of species and genera of Recent birds : a contribution to comparative systematics. American Museum novitates ; no. 2703 | Bock, Walter Joseph, 1933-; Farrand, John. |
| 1932 | Observations and experiments on the life history of the salamander, Desmognathus fuscus fuscus (Rafinesque). American Museum novitates ; no. 533 | Noble, Gladwyn Kingsley, 1894-1940.; Evans, Gertrude. |
| 1956 | Observations of manatees in aggregations. American Museum novitates ; no. 1811 | Moore, Joseph Curtis. |
| 1970 | Observations on burrowing behavior in Limulus polyphemus (Chelicerata, Merostomata), with implications on the functional anatomy of trilobites. American Museum novitates ; no. 2436 | Eldredge, Niles. |
| 2003 | Observations on garter snakes of the Thamnophis eques complex in the lakes of Mexico's transvolcanic belt, with descriptions of new taxa. American Museum novitates ; no. 3406 | Conant, Roger, 1909- |
| 1987 | Observations on intertidal organism associations of St. Catherines Island, Georgia. 2, Morphology and distribution of Littorina irrorata (Say). American Museum novitates ; no. 2873 | Fierstien, John F.; Rollins, Harold B., 1939- |
| 1929 | Observations on leaf-cutting ants. American Museum novitates ; no. 388 | Lutz, Frank Eugene, 1879-1943.; Wheeler, William Morton, 1865-1937. |
| 1959 | Observations on the behavior of Brazilian halictid bees (Hymenoptera, Apoidea). 4, Augochloropsis, with notes on extralimital forms. American Museum novitates ; no. 1924 | Michener, Charles Duncan, 1918-; Lange, Rudolf B. |
| 1959 | Observations on the biology of the yellow-footed marsupial mouse, Antechinus flavipes flavipes. American Museum novitates ; no. 1972 | Horner, B. Elizabeth, 1916-; Taylor, J. Mary (Jocelyn Mary), 1931- |
| 1932 | Observations on the courtship behavior of Ambystoma jeffersonianum. American Museum novitates ; no. 546 | Kumpf, Katherine Fredericka.; Yeaton, S. C. |
| 1998 | Observations on the distribution, behavior, and comparative breeding biology of Neoxolmis rufiventris (Aves, Tyrannidae). American Museum novitates ; no. 3220 | Andors, Allison Victor.; Vuilleumier, François, 1938- |
| 1961 | Observations on the nests and behavior of Trigona in Australia and New Guinea (Hymenoptera, Apidae). American Museum novitates ; no.2026 | Michener, Charles Duncan, 1918- |
| 1935 | Occurrence and relationships of the Río Chico fauna of Patagonia. American Museum novitates ; no. 818 | Simpson, George Gaylord, 1902-; Scarritt Patagonian Expedition 1930-1931); Scarritt Patagonian Expedition 1933-1934) |
| 1989 | Occurrence, chemical characteristics, and paleontology of the fossil resins from New Jersey. American Museum novitates ; ; no. 2948. | Grimaldi, David A.; Beck, Curt W., 1927-; Boon, Jaap J. |
| 1987 | The occurrence of Hadromys (Rodentia, Muridae) in early Pleistocene Siwalik strata in northern Pakistan and its bearing on biogeographic affinities between Indian and northeastern African murine faunas. American Museum novitates ; no. 2883 | Musser, Guy G. |
| 1923 | The occurrence of winged females in the ant genus Leptogenys Roger, with descriptions of new species. American Museum novitates ; no. 90 | Wheeler, William Morton, 1865-1937. |
| 1967 | The Octocorallia collected by R/V "Vema" in the Atlantic Ocean. American Museum novitates ; no. 2282 | Verseveldt, J.; Vema (Research vessel); American Museum of Natural History-Lamont Geological Observatory Expeditions (1955-1962) |
| 2007 | Oculogryphus, a remarkable new genus of fireflies from Asia (Coleoptera, Lampyridae) ; American Museum novitates, no. 3600 | Jeng, M.-L.; Engel, Michael S.; Yang, P.-S. |
| 1951 | Odonata of the 1948 Archbold Cape York Expedition, with a list of the dragonflies from the peninsula. American Museum novitates ; no. 1488 | Lieftinck, M. A. (Maurits Anne); Tate, Geoffrey M.; Cape York Expedition (1948) |