Author
- Abercrombie, Jay, 1942- 1 results
- Albertype Co 8 results
- Andrew, John A. 1 results
- Arnold, Verona, 1919-2019 1 results
- Bealer, Alex W. 1 results
- Beers, Henry Putney, 1907- 1 results
- Bertschinger, Hafis, 1933- 1 results
- Bieber, Ralph P. (Ralph Paul), 1894-1981, 1 results
- Bock, William Sauts, 1939- 1 results
- Brown, John P., 1884- 1 results
- Brown, Randy, 1947- 1 results
- Buck, Rinker, 1950- 1 results
- Burgess, J. C. 1 results
- Bushkill Falls (Firm) 1 results
- Chamberlin, Silas, 1 results
- Chase, Levi B. (Levi Badger), 1832- 1 results
- Cherokee Nation 1 results
- Civil War Trust (U.S.) 1 results
- Dillwyn, George 1 results
- Dollarhide, William 1 results
- Duffin, Reg 1 results
- Eaton, Rachel Caroline 1 results
- Fairmount Park Commission (Philadelphia, Pa.) 1 results
- Federal Writers' Project 1 results
- Federal Writers' Project Berks County, Pennsylvania 1 results
- Federal writers' project (Philadelphia.) 1 results
- Flinn, Charles, 1834-1873 1 results
- Formigli, Donald 2 results
- Fraser, J. Wallace (James Wallace), 1889-1979 1 results
- Friends of the Wissahickon 1 results
- Frontier Forts and Trails Survey 1 results
- Green, Michael D., 1941- 1 results
- Gregg, Josiah, 1806-1850 1 results
- Grove, Victor 1 results
- Hart, E. J. 1 results
- Holman, Albert M., 1845-1933 1 results
- Horse-Shoe Trail Club 1 results
- Horse-shoe trail club, Philadelphia 1 results
- Huntington, Tom 1 results
- Ingersoll, Elinor Houghton (Bulkeley), Mrs., 1893- 1 results
- Kent, Donald H. 1 results
- Ladd, Richard S. (Richard Stockwell), 1899- 1 results
- Leach, Sara Amy, 1958- 1 results
- Lentz, Harry David, 1889- 2 results
- Lewis & Clark Trail Heritage Foundation 1 results
- Lewis and Clark Trail Heritage Foundation 1 results
- Lewis, Marcus Winfield, 1861- 1 results
- Library of Congress. Map Division 1 results
- Longsworth, Basil Nelson 1 results
- Marks, Constant R., 1841- 1 results more…