Digital Encyclopedias
Biography
- American First Ladies
- American Presidents
- Biographical Encyclopedia of the Modern Middle East and North Africa
- American Men & Women of Science
- Encyclopedia of World Biography
- Women in World History
- Great Lives from History - The Ancient World
- Great Lives from History - The Middle Ages
- Great Lives from History - The Renaissance and Early Modern Era
- Great Lives from History - The 17th Century
- Great Lives from History - The 18th Century
- Great Lives from History - The 19th Century
- Great Lives from History - Scientists and Science
History & Politics
- American Decades - Primary Sources
- Ancient Civilizations
- Ancient Greece and Rome
- Bowling, Beatniks, and Bellbottoms
- Cold War Reference
- Encyclopedia of Islam and the Muslim World
- Harlem Renaissance
- Industrial Revolution Reference Library
- Pirates Through the Ages
- Roaring Twenties Reference Library
- Middle Ages Reference
- Slavery in America
- Vietnam War: Defining Documents
- Witchcraft in America
- World War I
- Women in World History
Health and Medicine
- Human Diseases and Conditions
- The Gale Encyclopedia of Alternative Medicine
- The Gale Encyclopedia of Cancer
- The Gale Encyclopedia of Children's Health
- The Gale Encyclopedia of Diets
- The Gale Encyclopedia of Genetic Disorders
- The Gale Encyclopedia of Medicine
- The Gale Encyclopedia of Mental Health
- The Gale Encyclopedia of Neurological Discorders
- The Gale Encyclopedia of Nursing and Allied Health
- Medicine, Health, and Bioethics
- ADHD
- Alzheimer's Disease
- Anorexia and Bulimia
- Asperger's Syndrome
- Autism
- Autoimmune Disorders
- Brain Trauma
- Breast Cancer
- Childhood Obesity
- Depression
- Exercise Addition
- Learning Disabilities
- Sexually Transmitted Diseases
- Sports Injuries
Math
Social Sciences
- Encyclopedia of World Cultures
- Encyclopedia of African-American Culture and History
- Encyclopedia of Genocide and Crimes Against Humanity
- This Is Who We Were: A Companion to the Census
- Immigration and Multiculturalism
- UXL Encyclopedia of Native American Tribes
- Encyclopedia of Islam and the Muslim World
- Encyclopedia of Philosophy
- Encyclopedia of Religion
- Crime and Punishment
- Family in Society
- Gender Issues and Sexuality
- Human and Civil Rights
- Social Policy
- St. James Encyclopedia of Labor History Worldwide
- Terrorism
- Government, Politics, and Protest
- Working Americans: Educators & Education
Sciences
- Alternative Energy
- Energy Alternatives
- Complete Dictionary of Scientific Biography
- Grzimek's Animal Life Encyclopedia
- Great Lives from History: Scientists and Science
- Encyclopedia of Energy
- UXL Encyclopedia of Landforms and Other Geologic Features
- Confronting Global Warming: Water and Ice
- Confronting Global Warming: The Role of the Individual
- Confronting Global Warming: Energy Production and Alternative Energy
- Confronting Global Warming: Extreme Weather