Science Year The World Book Science Annual 1986 - 2006 (21 Book Collection)

The Messenger 1896 to 1905 (11 Book Collection)

The Webster Family Encyclopedia (Complete 20 Book Encyclopedia Set)

World Book Encyclopedia 1986 (White and Red Spine) (Complete 24 Book Encyclopedia Set)

Encyclopaedia Britannica 1974 (Complete 19 Book Encyclopaedia Set)