- O'Connor 1990
- Madagascar: Beza Mahafaly and Andohahela. In: A Kiss (Ed.) Living with wildlife. Wildlife resource management with local participation in Africa : 41-51.
- O'Connor 1988
- Une revue des differences ecológiques entre deux forets galeries, une protegé et une degradé, au centre du sud de Madagascar. In : Rakotovao, L., Barre, V., and Sayer, J. (eds), L'Equilibre des ecosystemes forestiers a Madagascar. Actes d'un seminaire international: 216-227.
- O'Connor 1987
- The Effect of Human Impact on Vegetation and the Consequences to Primates in two Riverine Forests, Southern Madagascar. Unpublished PhD thesis, University of Cambridge, Cambridge.
- O'Connor 1986
- Conservation program for the Andohahela Reserve, Madagascar. Primate Conservation 7: 48-52.
- O'Connor 1987
- Un programme de conservation pour la Réserve d'Andohahela. In: Priorités en Matière de Conservation des Espèces à Madagascar. Occasional Papers of the IUCN Species Survival Commission, Number 2.
- Oberle 1981
- Madagascar: Un Sanctuaire de la Nature. (Lechevallier, Paris). 118 pp, photos and illustrations. Essays by Renaud Paulian, Jean-Louis Guillaumet, Paul Griveaud, Charles Blanc, Constantine Walter Benson, Yves Magnier, Pierre Viette, Joseph Andriamampianina.
- Oberle 1976
- Tananarive et l'Imerina. Librairie de Madagascar, Antananarivo. 183 pp. 301 photographs, 3 maps.
- , Masataka 1996
- Interspecific responses of ringtailed lemurs to playback of antipredator alarm calls given by Verreaux's sifakas. Ethology 102: 441-453.
- , O'Connor 1980
- Circadian distribution of Indri indri group vocalizations: a short sampling period at two study sites near Périnet, eastern Madagascar. Dodo 17: 19-27.
- , 1992
- Census of Rare Animals in Captivity 1991. International Zoo Yearbook 31. Zoological Society of London UK.
- Olson 1971
- Vertebrate Paleontology, Wiley Interscience, New York.
- Orgel, Crick 1980
- Selfish DNA: the ultimate parasite. Nature 284: 604-607.
- Ottino 1974
- Madagascar, les Comores et le Sud-Ouest de l'Océan Indien. University of Madagascar, Antananarivo.
- Ottino 1976
- Le Moyen-Age de l'Océan Indien et les Composantes du Peuplement de Madagascar. ASEMI 7.2-3 : 3-8.
- Ottino 1983a
- Myth and History, the Malagasy Andriambahoaka and the Indonesian Legacy. History in Africa 9: 221-250.
- Ottino 1983b
- Ancient Malagasy Dynastic Succession: the Merina Example. History in Africa 10: 247-292.
- Ottino 1991
- The Mythology of the Highlands of Madagascar and the Political Cycle of the Andriambahoaka.
- Ottino 1989
- Madagascar - politics, economics and society - Covell, M., Int. J. Afr. Hist. Stud 22: (1) 119-120.
- Ottino 1990
- Gender and social-structure in Madagascar - Huntington, R., Int. J. Afr. Hist. Stud. 23: (1) 131-134.
- Overdorff 1988
- Preliminary report on the activity cycle and diet of the red-bellied lemur (Lemur rubriventer) in Madagascar. Am. J. Primatology 16: 143-153.
- Overdorff 1990
- Flower predation and nectarivory in Lemur fulvus rufus and Lemur rubriventer. American Journal of Physical Anthropology 81 (2): 276.
- Overdorff 1991
- Ecological correlates of social structure in two prosimian primates: Eulemur fulvus rufus and Eulemur rubriventer in Madagascar. Unpublished Ph. D. Thesis, Duke University, Durham, North Carolina.
- Overdorff 1996
- Ecological correlates to activity and habitat use of two Prosimian Primates: Eulemur rubriventer and Eulemur fulvus rufus in Madagascar. Am. J. Primatol.40: 327-342.
- Overdorff 1993
- Similarities, Differences, and Seasonal Patterns in the Diets of Eulemur rubriventer and Eulemur fulvus rufus in the Ranomafana National Park, Madagascar. International Journal of Primatology 14 (5): 721 -753.
- Overdorff 1992
- Differential patterns in flower feeding by Eulemur fulvus rufus and Eulemur rubriventer in Madagascar. American Journal of Primatology 28: 191-203.
- Overdorff 1998
- Are Eulemur species pair? Social organization and mating strategies in Eulemur fulvus rufus from 1988 in southeast Madagascar. Amer. J. Phys. Anthropol. 105: 153166.
- Overdorff, Merelender 1994
- Social organization in Eulemur fulvus rufus in Madagascar. American Journal of Physical Anthropology (Suppl 18): 156.
- Overdorff, 1995
- Determinants of nighttime activity in 'diurnal' lemurid Primates. Pp. 61-74 in Creatures of the Dark: The Nocturnal Prosimians. L. Alterman, G.A. Doyle. M.K. Izard, eds. New York, Plenum Press. (ISBN 0-306-45183-2)
- Overdorff, Strait 1998
- Seed handling by three prosimian primates in southeastern Madagascar: Implications for seed dispersal. Amer. J. Primatol. 45: 69
- Overdorff, Strait 1997
- Box 3. What the physical properties of seeds can tell us about primate adaptation. Evolutionary Anthropology 5: 206.
- Overdorff 1999
- Life history of Eulemur fulvus rufus from 1988-1998 in southeastern Madagascar. American Journal of Physical Anthropology 108 (3): 295-310.
- Overdorff 1997
- Seasonal variation in activity and diet in a smaIlfolivorous primate, Hapalemur griseus, in southeastern Madagascar. Amer. J. Primatol. 43: 211
- Oxnard 1981
- The uniqueness of Daubentonia. Am. J. Phys. Anthropol. 54: 1-21.
- Oxnard 1990
- Animal Lifestyles and Anatomies: The Case of Prosimian Primares. Seattle, University of Washington Press.