- Pterosauria -- Encyclopedias, Juvenile
- Renaissance -- Encyclopedias, Juvenile
- Rome -- Civilization -- Encyclopedias, Juvenile
- Plants -- Identification -- Encyclopedias, Juvenile
- Earth (Planet) -- Encyclopedias, Juvenile
- North America -- History -- Colonial period, ca. 1600-1775 -- Encyclopedias, Juvenile
- Occupations -- Encyclopedias, Juvenile
- Dangerous animals -- Encyclopedias, Juvenile
- Ponies -- Encyclopedias, Juvenile
- Women -- United States -- History -- Encyclopedias, Juvenile
- World War, 1939-1945 -- Encyclopedias, Juvenile
- Sharks -- Encyclopedias, Juvenile
- Astronomy -- Encyclopedias, Juvenile
- Science -- Encyclopedias, Juvenile
- Mythology, Japanese -- Encyclopedias, Juvenile
- Invertebrates -- Encyclopedias, Juvenile
- Inventions + History -- 20th century -- Encyclopedias, Juvenile
- Ocean -- Encyclopedias, Juvenile
- Greece -- Civilization -- To 146 B.C -- Encyclopedias, Juvenile
- Heroes + Mythology -- Greece -- Encyclopedias, Juvenile
- United States -- Insular possessions -- Encyclopedias, Juvenile
- Electronic instruments -- Encyclopedias, Juvenile
- Horses -- Encyclopedias, Juvenile
- Oceanography -- Encyclopedias, Juvenile
- Marine ecology -- Encyclopedias, Juvenile
- Judaism -- Encyclopedias, Juvenile
- Stars -- Encyclopedias, Juvenile
- Cowboys -- Encyclopedias, Juvenile
- Human biology -- Encyclopedias, Juvenile
- Aquatic plants -- Encyclopedias, Juvenile
- Mythology -- Encyclopedias, Juvenile
- Popular culture -- Encyclopedias, Juvenile
- Diseases -- Encyclopedias, Juvenile
- Civilization, Modern -- 17th century -- Encyclopedias, Juvenile
- Human physiology -- Encyclopedias, Juvenile
- Matter -- Encyclopedias, Juvenile
- Amphibians -- Encyclopedias, Juvenile
- Teenagers + Sexual behavior -- Encyclopedias, Juvenile
- United States -- Social conditions -- 20th century -- Encyclopedias, Juvenile
- United States -- History -- Encyclopedias, Juvenile
- Human geography -- Encyclopedias, Juvenile
- Animals, Mythical -- Encyclopedias, Juvenile
- Chemical elements -- Encyclopedias, Juvenile
- Sports -- United States -- Encyclopedias, Juvenile
- Explorers -- Encyclopedias, Juvenile
- Japan -- Religion -- Encyclopedias, Juvenile
- Wind instruments -- Encyclopedias, Juvenile
- Musical instruments + History -- Encyclopedias, Juvenile
- Dog breeds -- Encyclopedias, Juvenile
- Africa -- Encyclopedias, Juvenile