James Akerman (EDT)/ Robert W. Karrow (EDT)
(1)
Lawrence W. Towner/ Robert W. Karrow/ Alfred F. Young (EDT)
(1)
Newberry Library (COR)/ Robert W. Karrow/ David Buisseret/ James Akerman/ Hermon Dunlap Smith Center for the History of Cartography (COR)/ International Conference on the History of Cartography 1993 C
(1)