Author
- Adams, Harry C. 1 results
- Baver, Russel S. 1 results
- Dubs, Joseph S., 1796-1877 1 results
- Ehret, Robert F. 1 results
- Hoffman, Christina 1 results
- Hollenbach, Raymond E. 2 results
- Lehigh County Historical Society 1 results
- Roberts, Charles Rhoads 1 results
- Rowland, Bob, historian 1 results
- Unger, Claude W. 1 results
- Ziegler, Warren J. 1 results