Author
Albertype Co
8
Formigli, Donald
2
Lentz, Harry David, 1889-
2
Schäffer, Mary T. S. 1861-1939
2
Wallace, Paul A. W.
2
Abercrombie, Jay, 1942-
1
Andrew, John A.
1
Arnold, Verona, 1919-2019
1
Bealer, Alex W.
1
Beers, Henry Putney, 1907-
1
Bertschinger, Hafis, 1933-
1
Bieber, Ralph P. 1894-1981,
1
Bock, William Sauts, 1939-
1
Brown, John P., 1884-
1
Brown, Randy, 1947-
1
Buck, Rinker, 1950-
1
Burgess, J. C.
1
Bushkill Falls (Firm)
1
Chamberlin, Silas,
1
Chase, Levi B. 1832-
1
Cherokee Nation
1
Civil War Trust (U.S.)
1
Dillwyn, George
1
Dollarhide, William
1
Duffin, Reg
1
Eaton, Rachel Caroline
1
Fairmount Park Commission (Philadelphia, Pa.)
1
Federal Writers' Project
1
Federal Writers' Project Berks County, Pennsylvania
1
Federal writers' project (Philadelphia.)
1
Flinn, Charles, 1834-1873
1
Fraser, J. Wallace 1889-1979
1
Friends of the Wissahickon
1
Frontier Forts and Trails Survey
1
Green, Michael D., 1941-
1
Gregg, Josiah, 1806-1850
1
Grove, Victor
1
Hart, E. J.
1
Holman, Albert M., 1845-1933
1
Horse-Shoe Trail Club
1
Horse-shoe trail club, Philadelphia
1
Huntington, Tom
1
Ingersoll, Elinor Houghton (Bulkeley), Mrs., 1893-
1
Kent, Donald H.
1
Ladd, Richard S. 1899-
1
Leach, Sara Amy, 1958-
1
Lewis & Clark Trail Heritage Foundation
1
Lewis and Clark Trail Heritage Foundation
1
Lewis, Marcus Winfield, 1861-
1
Library of Congress. Map Division
1
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