| Keyword Terms | Keyword Types | ||
|---|---|---|---|
| Heyer, W. Ronald | Personal Name | Search Smithsonian Collections | Search ArchiveGrid |
| National Museum of Natural History (U.S.) | Corporate Name | Search Smithsonian Collections | Search ArchiveGrid |
| Herpetology | Topic | Search Smithsonian Collections | Search ArchiveGrid |
| Amphibians | Topic | Search Smithsonian Collections | Search ArchiveGrid |
| Manuscripts | Genre/Form | Search Smithsonian Collections | Search ArchiveGrid |