- Technology -- Encyclopedias, Juvenile
- Cats -- Encyclopedias, Juvenile
- Dangerous animals -- Encyclopedias, Juvenile
- World history -- Encyclopedias, Juvenile
- Swine -- Encyclopedias, Juvenile
- Dinosaurs -- Encyclopedias, Juvenile
- Outer space -- Encyclopedias, Juvenile
- Comic books, strips, etc -- Encyclopedias, Juvenile
- Presidents -- United States -- History -- Encyclopedias, Juvenile
- Dog breeds -- Encyclopedias, Juvenile
- Superheroes -- Encyclopedias, Juvenile
- Machinery -- Encyclopedias, Juvenile
- Plants -- Encyclopedias, Juvenile
- DC Comics, Inc -- Encyclopedias, Juvenile
- Medicinal plants -- Encyclopedias, Juvenile
- Batman (Comic strip) -- Characters -- Encyclopedias, Juvenile
- Holocaust, Jewish (1939-1945) -- Encyclopedias, Juvenile
- Human geography -- Encyclopedias, Juvenile
- World War, 1914-1918 -- Encyclopedias, Juvenile
- Art -- Encyclopedias, Juvenile
- Extinct animals -- Encyclopedias, Juvenile
- Mythical animals -- Encyclopedias, Juvenile
- Civilization, Modern -- 21st century -- Encyclopedias, Juvenile
- Scooby-Doo (Television program) -- Characters -- Encyclopedias, Juvenile
- Fairies -- Encyclopedias, Juvenile
- Animals, Fossil -- Encyclopedias, Juvenile
- United States -- History -- Revolution, 1775-1783 -- Encyclopedias, Juvenile
- Insects -- Encyclopedias, Juvenile
- Zoology -- Encyclopedias, Juvenile
- Comic strip characters -- Encyclopedias, Juvenile
- Avengers (Fictitious characters) -- Encyclopedias, Juvenile
- Science -- Encyclopedias, Juvenile
- Paleontology -- Encyclopedias, Juvenile
- Animals -- Encyclopedias, Juvenile
- Transportation -- Encyclopedias, Juvenile
- Animals, Mythical -- Encyclopedias, Juvenile
- Baseball -- United States -- Encyclopedias, Juvenile
- Cat breeds -- Encyclopedias, Juvenile
- Animal behavior -- Encyclopedias, Juvenile
- Animals -- Miscellanea -- Encyclopedias, Juvenile
- Dogs -- Encyclopedias, Juvenile
- United States -- History -- Colonial period, ca. 1600-1775 -- Encyclopedias, Juvenile
- Mammals -- Encyclopedias, Juvenile
- Dinosaurs + Evolution -- Encyclopedias, Juvenile