Author
Alvarez, Francisco, active 1778
1
Casgrain, H. R. 1831-1904
1
Douglass, William, approximately 1700-1752,
1
Frontier Forts and Trails Survey
1
J.-C. B.
1
Jefferys, Thomas, -1771
1
Kent, Donald H.,
1
Pennsylvania Historical Commission
1
Pennsylvania Historical Survey
1
Stevens, Sylvester Kirby, 1904-1974,
1
Woods, Emma Edith,
1