William R. Shepherd
United States Geological Survey
Gallatin, Albert
Martin Dodge
J. S. Keates
Frances W. Zweifel
Neil Morris
Wilma B. George
Victor Selwyn
Facts on File Inc
Geographers' A-Z Map Company
A. W. Küchler
Jean Wolff
Nicolaas A. Rupke
Workshop on Automated Cartography and Epidemiology (1976 Arlington, Va.)
Helmuth Arnim
Special Libraries Association. Geography and Map Division
Angela Cox
O. Ormsby Gregg
National Cancer Institute (U.S.). Epidemiology Branch.