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