Author
Anderson, Robert Charles, 1944-
1
Bork, Inge
1
Braun, Fritz
1
Brøderbund
1
Burkett, Brigitte
2
Dobson, David, 1940-
1
Filby, P. William, 1911-
1
Froelke, Ruth
1
Gale Research Inc
1
Great Migration Study Project (New England Historic Genealogical Society),
1
Hacker, Werner, active 1970-
2
Schenk, Trudy
1
Smith, Clifford Neal
3