Reference Guide to World Literature
St. James Encyclopedia of Labor History Worldwide
Great Depression and the New Deal Reference Library
Nonfiction Classics for Students
Junior Worldmark Encyclopedia of Physical Geography
Industrial Revolution Reference Library
The Gale Encyclopedia of the Unusual and Unexplained
Learning and Memory: Macmillan Psychology Reference Series
Geo-Data: World Geographic Encyclopedia
CDs, Super Glue, & Salsa: How Everyday Products Are Made
Macmillan Encyclopedia of Death and Dying