- World history -- Encyclopedias, Juvenile
- Scientists -- Encyclopedias, Juvenile
- Adventure and adventurers -- Encyclopedias, Juvenile
- Dinosaurs -- Encyclopedias, Juvenile
- Comic books, strips, etc -- Encyclopedias, Juvenile
- Zoology -- Encyclopedias, Juvenile
- Comic strip characters -- Encyclopedias, Juvenile
- Mountaineers -- Encyclopedias, Juvenile
- History -- Encyclopedias, Juvenile
- Animals, Mythical -- Encyclopedias, Juvenile
- Pokémon (Game) -- Encyclopedias, Juvenile
- Insects -- Encyclopedias, Juvenile
- Reptiles -- Encyclopedias, Juvenile
- Science -- Encyclopedias, Juvenile
- Invertebrates -- Encyclopedias, Juvenile
- Plant ecology -- Encyclopedias, Juvenile
- Discoveries in geography -- Encyclopedias, Juvenile
- Birds -- Encyclopedias, Juvenile
- Comic books, strips, etc -- United States -- Encyclopedias, Juvenile
- Amphibians -- Encyclopedias, Juvenile
- Animals -- Australia -- Encyclopedias, Juvenile
- Soccer -- Encyclopedias, Juvenile
- Lichen -- Encyclopedias, Juvenile
- Human body -- Encyclopedias, Juvenile
- Superheroes -- Encyclopedias, Juvenile
- Plants -- Encyclopedias, Juvenile
- Astronauts -- Encyclopedias, Juvenile
- Explorers -- Encyclopedias, Juvenile
- Mathematicians -- Encyclopedias, Juvenile
- Fishes -- Encyclopedias, Juvenile
- Fictitious characters -- Encyclopedias, Juvenile
- Inventors -- Encyclopedias, Juvenile
- Geography -- Encyclopedias, Juvenile
- Animals -- Encyclopedias, Juvenile
- Mushrooms -- Encyclopedias, Juvenile
- Outer space -- Exploration -- Encyclopedias, Juvenile
- Pokémon (Fictitious characters) -- Encyclopedias, Juvenile
- Mammals -- Encyclopedias, Juvenile