- Major League Baseball (Organization) -- History -- Encyclopedias
- Dangerous animals -- Encyclopedias
- African Americans + History -- Encyclopedias
- Drug abuse -- Encyclopedias
- Ethnology -- United States -- Encyclopedias
- Herbs + Therapeutic use -- Encyclopedias
- Indians + Folklore -- Encyclopedias
- Philosophers -- Biography -- Encyclopedias
- Music -- Encyclopedias
- Medicinal plants -- Encyclopedias
- West (U.S.) -- Description and travel -- Encyclopedias
- National Football League -- History -- Encyclopedias
- Indians of Mexico -- Encyclopedias
- Sports -- United States -- Encyclopedias
- African Americans + Social life and customs -- Encyclopedias
- World history -- Encyclopedias
- Machinery -- Encyclopedias
- World War, 1914-1918 -- Encyclopedias
- Cartoons and comics -- Encyclopedias
- United States -- History -- Civil War, 1861-1865 -- Encyclopedias
- Cats -- Encyclopedias
- Animals -- Encyclopedias
- Amphibians -- Encyclopedias
- Lewis and Clark Expedition, 1804-1806 -- Encyclopedias
- Pigs -- Encyclopedias
- Art -- Encyclopedias
- Avengers (Fictitious characters) -- Encyclopedias
- Traditional medicine -- Encyclopedias
- Roses -- Encyclopedias
- Drugs -- Encyclopedias -- Juvenile literature
- Indian mythology -- Encyclopedias
- Medicine, Popular -- Encyclopedias
- Artists -- Encyclopedias
- Food -- Encyclopedias
- Plants -- Encyclopedias
- African Americans -- Encyclopedias
- Inventions + History -- Encyclopedias -- Juvenile literature
- Indians of North America -- Encyclopedias
- Comic books, strips, etc -- United States -- History and criticism -- Encyclopedias
- Indians of South America -- Encyclopedias
- Holocaust, Jewish (1939-1945) -- Encyclopedias
- Reptiles -- Encyclopedias
- Self-care, Health -- Encyclopedias
- Symptoms -- Encyclopedias
- Stackhouse, Sookie (Fictitious character) -- Encyclopedias
- Emblems, National -- Encyclopedias
- Civilization, Modern -- 21st century -- Encyclopedias
- Ships -- Encyclopedias
- Alternative medicine -- Encyclopedias
- Natural history -- Encyclopedias