Author
Hollenbach, Raymond E.
4
Lehigh County Historical Society
2
Adams, Harry C.
1
Bartholomew, Abraham, 1833-1903
1
Baver, Russel S.
1
Beckel, Clarence E.
1
Dubs, Joseph S., 1796-1877
1
Ehret, Robert F.
1
Fray, Robert G.
1
Haas, Arthur Milton, 1904-
1
Hawbaker, Gary T.
1
Helffrich, Johannes Heinrich, 1739-1810
1
Hinke, William John, 1871-1947
1
Hoffman, Christina
1
Humphrey, John T.
1
Johns, Carolyn Zimmerman
1
Roberts, Charles Rhoads
1
Roberts, Charles Rhoads,
1
Rowland, Bob, historian
1
Rupp, I. Daniel 1803-1878
1
Sell, Bernice M.
1
Seng, Charles F.
1
Tharpe, Dorothy Nace
1
Unger, Claude W.
1
Williams, Mildred C.
1
Williams, Richard T.
1
Ziegler, Warren J.
1