Author
Wolfert, Marion
5
Zimmerman, Gary J.
4
Glazier, Ira A.
3
Baker, Dessie
1
Brøderbund
1
Coldham, Peter Wilson
1
Derry Youth & Community Workshop
1
Filby, P. William 1911-2002
1
Filby, P. William, 1911-
1
Gale Research Inc
1
Hall, Charles M.
1
Heritage International
1
J. & J. Cooke (Derry, Northern Ireland)
1
Mitchell, Brian
1
Moser, Geraldine
1
Silverman, Marlene
1