Information please almanac atlas and yearbook 1991.

Manylion Llyfryddiaeth
Teitl Blaenorol:	Information please almanac, atlas and yearbook.
Fformat:	Llyfr
Cyhoeddwyd:	Boston Houghton Mifflin c1991.
Pynciau:	Almanacs. Almanacs, American > Periodicals.