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