Author
- Cross, John T. 1 results
- G.M. Hopkins & Co 2 results
- Geological Survey (U.S.) 1 results
- Gross, Patricia A. 1 results
- Harriss, Helen L. 1 results
- Heilman, Leonard A. 1 results
- Nichols, Beach 1 results
- Romig, Nancy Byers 1 results
- Saylor, Samuel J. 1 results
- South Central Pennsylvania Genealogical Society 1 results
- Tanner, Henry Schenck, 1786-1858 1 results