Author
Aurand, A. Monroe 1895-1956
2
Britt, Kent
2
Pennsylvania-German Society
2
Brendle, Thomas R. 1889-1966
1
Gilbert, Russell Wieder, 1905-
1
Jacobs, Henry Eyster, 1844-1932
1
Kim, H. Edward
1
Kim, H. Edwards
1
Landis, Henry Kinzer
1
Meynen, Emil, 1902-1994
1
National Geographic Society (U.S.)
1
Richards, Henry Melchior Muhlenberg, 1848-1935
1
Richardson, William H., 1864-1937
1
Schantz, F. J. F. 1836-1907
1
Stoudt, John Joseph, 1911-
1
Troxell, William S.
1