1
by Maddux, Robert B.
Published 1986
...The fifty-minute series...
2
by Scott, Cynthia D.
Published 1989
...The fifty-minute series...
3
by Mandel, Steve.
Published 1987
...The fifty-minute series...
4
by Morgan, Rebecca L.
Published 1989
...The fifty-minute series...
5
by Scott, Cynthia D.
Published 1991
...A fifty-minute series...
6
by Minor, Marianne.
Published 1989
...Fifty-minute series...
7
by Martin, Charles L.
Published 1988
...Fifty-minute series...
8
by Manning, Marilyn Jakad.
Published 1989
...The fifty-minute series...
9
by Chapman, Elwood N.
Published 1989
...The fifty-minute series...
10
by Conrad, Pamela J.
Published 1986
...The fifty-minute series...
11
by Potter, Beverly A.
Published 1987
...The fifty-minute series...
12
by Maddux, Dorothy J.
Published 1989
...The fifty-minute series...
13
by Shandler, Donald., 1940-
Published 1993
...Fifty-Minute series...
14
by Pollar, Odette.
Published 1992
...Fifty-Minute series...
15
by Hathaway, Patti.
Published 1992
...Fifty minute series...
16
by Martin, William B.
Published 1987
...Fifty minute series....
17
by Hicks, Robert, Ph. D.
Published 1990
...Fifty-minute series...
18
by Haynes, Marion E.
Published 1989
...Fifty-minute series...
19
by Voorhess, Lynda A.
Published 1987
...Fifty-minute series...
20
by Goman, Carol Kinsey
Published 1989
...Fifty-minute series...