1. Patterns of herd behaviour in free-ranging elk of Wyoming;Altmann;Cervus canadensis nelsoni. Zoologica,1956
2. Naturalistic studies of maternal care in moose and elk;Altmann,1963
3. “Der Vogel und sein Leben.”;Altum,1868
4. The foetal membranes of an African waterbuck;Amoroso;Kobus defassa. Proc. zool. Soc. Lond.,1954
5. External factors in sexual periodicity;Amoroso,1960