Incoming Resources
- Heritage Books, Bowie, Md., 1978
- Heritage Books, Bowie, Md., 1994
- Heritage Books, Bowie, Md., 1993
- Heritage Books, Bowie, Md., c2002
- Heritage Books, Bowie, Md., 1990
- Heritage Books, Inc., Bowie, Md., 1988
- Heritage Books, Bowie, Md., 2003