Author
Jones, Gilbert S.
2
Valley Forge Park Commission
2
Albertype Co
1
Chunn, Calvin Ellsworth, 1915-
1
Penn Bureau of Topographic and Geologic Survey
1
Penn Dept. of Environmental Resources
1
Penn Office of Parks and Forestry
1
Pennsylvania. Valley Forge Park Commission
1
Philadelphia Record
1
Society of the Descendants of Washington's Army at Valley Forge
1
Swigart, Stacey A.
1
Treese, Lorett, 1952-
1
Wiswall, C. Gil
1