Constructed by A. Keith Johnston, H.D. Rogers, Edw. Weller and other eminent geographers ; complied and editied by Charles H. Jones, assisted by Theodore F. Hamilton
Lester J. Cappon, editor-in-chief ; Barbara Bartz Petchenik, cartographic editor ; John Hamilton Long, assistant editor ; William B. Bedford [and three others], research associates ; Nancy K. Morbeck, cartographic assistant ; Gretchen M. Oberfranc, editorial assistant