The people of the Pennsy /
interpretive and exhibit concept plan for the Altoona Railroaders Memorial Museum ; in cooperation with the Southwestern Pennsylvania Heritage Preservation Commission, United States Department of the Interior.

APA Citation

United States. National Park Service., United States. Dept. of the Interior. Southwestern Pennsylvania Heritage Preservation Commission., Altoona Railroaders Memorial Museum. (1993). The people of the Pennsy. [Washington, D.C.?: U.S. Dept. of the Interior, National Park Service.

MLA Citation

United States. National Park Service, United States. Dept. of the Interior. Southwestern Pennsylvania Heritage Preservation Commission, and Altoona Railroaders Memorial Museum. The People of the Pennsy. [Washington, D.C.?: U.S. Dept. of the Interior, National Park Service, 1993.