Incoming Resources
- Running Press, Philadelphia, Pa., c1987
- Running Press, Philadelphia, Pa., 1991
- Chelsea House Publishers, Philadelphia, Pa., 2000
- Chelsea House, Philadelphia, Pa., 1998
- Chelsea House, Philadelphia, Pa., c1999
- Running Press, Philadelphia, Pa., 2005
- Chelsea House Publishers, Philadelphia, Pa., 1999
- Courage Books, Philadelphia, Pa., c1991
- Chelsea House Publishers, Philadelphia, Pa., 1998
- Mason Crest Pub., Philadelphia, Pa., 2002
- Running Press, Philadelphia, Pa., c1974
- Running Press, Philadelphia, Pa., 1990
- Running Press, Philadelphia, Pa., 1993
- Elsevier Saunders, Philadelphia, Pa., c2005