1
Published 1900
...Fifty-Minute Series...
2
Published 1992
...Fifty-Minute Series...
3
Published 1991
...Fifty-Minute Series...
4
Published 1991
...Fifty-Minute Series...
5
by Shea, Gordon F, 1925-
Published 2002
...Fifty-Minute series....
6
by Finch, Lloyd C.
Published 2000
...Fifty-Minute series....
7
by Bonet, Diana
Published 1991
...Fifty-minute series...
8
Published 1900
...Fifty-Minute Series...
9
Published 1992
...Fifty-Minute Series...
10
Published 1991
...Fifty-Minute Series...
11
Published 1991
...Fifty-Minute Series...
12
...Fifty-Minute Series...
13
Published 1992
...Fifty-Minute Series...
14
Published 1992
...Fifty-Minute Series...
15
by Swenson, Jack.
Published 1988
...The Fifty-Minute series...
16
by Friedman, Nancy J.
Published 2002
...A fifty-minute series book...
17
by Flynn, Nancy, 1956-
Published 2003
...A fifty-minute series book...
18
by Kindler, Herb
Published 2002
...A fifty-minute series book...
19
by Wolfe, Rebecca Luhn.
Published 1996
...A Fifty-Minute series book...
20
by Decker, Bert.
Published 2009
...A Crisp Fifty-Minute series book...