| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Birds, Migration of | No definition provided | Christopher Rauch | 2023.12.01 |
| Birds--Nests | No definition provided | Christopher Rauch | 2023.12.01 |
| Birds--Nomenclature | No definition provided | Christopher Rauch | 2023.12.01 |
| Birds--Nomenclature (Popular) | No definition provided | Christopher Rauch | 2023.12.01 |
| Birds of prey | No definition provided | Christopher Rauch | 2023.12.01 |
| Bird-song | No definition provided | Christopher Rauch | 2023.12.01 |
| Birds--Parasites | No definition provided | Christopher Rauch | 2023.12.01 |
| Birds--Pictorial works | No definition provided | Christopher Rauch | 2023.12.01 |
| Birds, Protection of | No definition provided | Christopher Rauch | 2023.12.01 |
| Birds--Societies | No definition provided | Christopher Rauch | 2023.12.01 |
| Birgittines | No definition provided | Christopher Rauch | 2023.12.01 |
| Biringuccite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Birmingham riots, 1791 | No definition provided | Christopher Rauch | 2023.12.01 |
| Birnessite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| birth | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Birthday books | No definition provided | Christopher Rauch | 2023.12.01 |
| Birthdays | No definition provided | Christopher Rauch | 2023.12.01 |
| Birthdays--Bibl | No definition provided | Christopher Rauch | 2023.12.01 |
| birth defect | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Birth-mark, Mongolian | No definition provided | Christopher Rauch | 2023.12.01 |