Annual report to the Board of Trustees - Field Museum of Natural History. (The Field Museum, 1994)

Annual report to the Board of Trustees - Field Museum of Natural History. (The Field Museum, 1994)

The Field Museum collections and research : Academic Affairs, Center for Evolutionary and Environmental Biology (CEEB), Center for Cultural Understanding and Change (CCUC) - Field Museum of Natural History. (Office of Academic Affairs, The Field Museum, 1996)

SIDA, contributions to botany - Mahler, William F. (W. F. Mahler, etc.], 2004)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2012)

Smithsonian contributions to botany - Smithsonian Institution (Smithsonian Institution Press, 2012)