Mapping Maryland : the Willard Hackerman Collection.
Cobb, David A.,1945-
Shoeberlein, Robert W.
Maryland Historical Society.
Baltimore, Md. : Maryland Historical Society,
[c1998]
Catalog of an exhibition held at the Maryland Historical Society, June 26-Sept. 13, 1998.
Catalog compiled by David Cobb and Robert W. Schoeberlein.
Maryland Historical Society
Hackerman, Willard
Cartography
Maps