Author
Smith, Clifford Neal
3
Young, Henry James
2
Baier, Hermann
1
Balch Institute Center for Immigration Research
1
Bingley, George Althoff, 1888-
1
Brøderbund
1
Flickinger, Robert Elliott, 1846-
1
Frank, Karl Friedrich von, 1894-
1
Heydecker, Christian Townsend, 1846-
1
Johannes Schwalm Historical Association
1
Learning Company
1
Marye, William Bose, 1886-1979
1
Shultz, Lawrence W., 1890-
1
Slagle, A. Russell, 1900-
1