| Natural history -- Arizona -- Grand Canyon. Matches 5 items |
| Natural history -- Atlantic States -- Guidebooks. Matches 1 item |
| Natural history -- Australia. Matches 3 items |
| Natural history -- Belize. Matches 1 item |
| Natural history -- Brazil. Matches 1 item |
| Natural history -- California. Matches 1 item |
| Natural history -- California -- Anza-Borrego Desert -- Juvenile literature. Matches 1 item |
| Natural history -- California -- Guidebooks. Matches 1 item |
| Natural history -- California -- Mojave Desert. Matches 1 item |
| Natural history -- Canada, Northern. Matches 1 item |
