Author
Arndt, Karl John Richard
1
Boyle, Joseph Lee,
1
Chaussegros de Lery, Joseph Gaspard, 1721-1797
1
Darlington Memorial Library
1
Edwards, Frank S.
1
Frontier Forts and Trails Survey
1
Kent, Donald H.,
1
Mercer, George
1
Mulkearn, Lois,
1
Pennsylvania Historical Commission
1
Stevens, Sylvester Kirby, 1904-1974,
1
Stiefel, Jay Robert,
1
Wentz, Richard E.,
1