Author
Kansas Academy of Science
2
ERIC Clearinghouse for Science, Mathematics, and Environmental Education
1
Federal Herbarium (Rhodesia and Nyasaland)
1
Florida State Museum
1
Government Herbarium (Southern Rhodesia)
1
Jardin botanique de l'Etat (Belgium)
1
Jardin botanique national de Belgique
1
Jardin botanique national de Belgique/National Botanic Garden of Belgium
1
Kansas Academy of Science. Meeting
1
Missouri Botanical Garden
1
National Council of Teachers of Mathematics
1
National Herbarium (Southern Rhodesia)
1
National Institute of Education (U.S.)
1
Society of Vertebrate Paleontology
1
Southern Rhodesia. Department of Research and Specialist Services
1
Stovall Museum
1
University of Oklahoma. School of Geology and Geophysics
1
Zimbabwe. Department of Research and Specialist Services. Information Services
1