Author
Brøderbund
4
Learning Company
4
Tepper, Michael
4
Coldham, Peter Wilson
3
Balch Institute Center for Immigration Research
2
Boyer, Carl, 1937-
2
Bangerter, Lawrence B.
1
Bentley, Elizabeth Petty
1
Filby, P. William 1911-2002
1
Glazier, Ira A.
1
Hall, Charles M.
1
Olsson, Nils William, 1909-
1
Schlegel, Donald M.
1
Spear, Burton W.
1
Wolfert, Marion
1
Zimmerman, Gary J.
1