Male external genitalia of non-prehensile tailed South American monkeys. Philip Hershkovitz.

n.s. no.73(1993)

New genera and subgenera of augochlorine bees (Hymenoptera: Halictidae) / by Michael S. Engel, Robert W. Brooks, and Douglas Yanega.

no.5

Genus-group names of bees and supplemental family-group names / by Charles D. Michener.

no.1