- Snakes as pets -- Encyclopedias
- Medicine, Popular -- Encyclopedias
- Art + Technique -- Encyclopedias
- Sports -- United States -- Encyclopedias -- Juvenile literature
- Judaism -- Encyclopedias
- Arthurian romances -- Encyclopedias
- Manners and customs -- Encyclopedias
- History -- Encyclopedias
- Traditional medicine -- Encyclopedias
- Serial murders -- Encyclopedias
- Super Mario Bros. (Game) -- Encyclopedias
- Ornamental shrubs -- Encyclopedias
- Statue of Liberty (New York, N.Y.) -- Encyclopedias
- North America -- History, Military -- Encyclopedias
- Protestantism -- Encyclopedias
- Ornamental trees -- Encyclopedias
- Mexican War, 1846-1848 -- Encyclopedias
- Automobiles -- Encyclopedias
- Food -- Encyclopedias -- Pictorial works
- Indians of North America -- Encyclopedias
- Battles -- North America -- History -- Encyclopedias
- Plants -- Encyclopedias
- Presidents -- Biography -- Encyclopedias
- New England -- Civilization -- Encyclopedias
- Science -- Encyclopedias
- Human geography -- Encyclopedias
- World War, 1939-1945 -- Encyclopedias
- Slavery -- United States -- History -- Encyclopedias
- Homicide -- Encyclopedias
- Typhoons -- Encyclopedias
- United States -- History, Military -- Encyclopedias
- English literature -- Bio-bibliography -- Encyclopedias
- Spices -- Encyclopedias
- Sports -- Encyclopedias
- Climatic changes -- Encyclopedias
- Great Britain -- Antiquities, Celtic -- Encyclopedias
- Vietnam War, 1961-1975 -- Encyclopedias
- New England -- History -- Encyclopedias
- Snakes -- Encyclopedias
- Cats -- North America -- Encyclopedias
- Ecology -- Encyclopedias
- United States -- History -- 1861-1865, Civil War -- Encyclopedias
- Herbs -- Encyclopedias
- Forensic sciences -- Encyclopedias
- Star Wars fiction -- Encyclopedias
- Scrapbooks -- Encyclopedias
- Supernatural -- Encyclopedias
- Civilization, Modern -- 21st century -- Encyclopedias
- Naturopathy -- Encyclopedias
- Antislavery movements -- United States -- History -- Encyclopedias