A partial revision of Paullinia (Sapindaceae) for Ecuador, Peru, and Bolivia, part I / Donald R. Simpson.

v.36:no.12(1976)

A new species of Crotaphopeltis (Serpentes: Colubridae) from Barotseland, Zambia [by] Donald G. Broadley.

v.51:no.10(1968)

Catalogue of type specimens of recent fishes in Field Museum of Natural History / Myriam Ibarra and Donald J. Stewart.

n.s. no.35(1987)

The birds of El Salvador, by Donald R. Dickey and A. J. Van Rossem.

v.23 (1938)

Hoplomyzon sexpapilostoma, a new species of Venezuelan catfish (Pisces, Aspredinidae) : with comments on the Hoplomyzontini / Donald C. Taphorn, Crispulo Marrero.

n.s. no.61(1990)

World catalog of the genera of Pselaphidae (Coleoptera) / Alfred F. Newton, Jr., Donald S. Chandler.

n.s. no.53(1989)

Organic buildups in the Lower Ordovician (Canadian) of Texas and Oklahoma / Donald Francis Toomey -- and Matthew H. Nitecki --.

n.s. no.2(1979)

A review of the South American catfish tribe Hoplomyzontini (Pisces, Aspredinidae), with descriptions of new species from Ecuador / Donald J. Stewart.

n.s. no.25(1985)

New information on the Holocystites fauna (Diploporita) of the Middle Silurian of Wisconsin, Illinois, and Indiana / Terrence J. Frest --, Donald G. Mikulic -- and Christopher R. C. Paul --.

v.35:no.6(1977)

Old-fashioned garden flowers / by Donald Culross Peattie.

no.19(1936)