Freeman Bibliographical Database
| Identifier: | A4285 |
| Date: | 1871 |
| Concise reference: | Gill, Theodore. 1871. Arrangement of the families of mollusks. Washington, D.C.: Smithsonian Institution. [Darwin Pamphlet Collection] |


| Identifier: | A4285 |
| Date: | 1871 |
| Concise reference: | Gill, Theodore. 1871. Arrangement of the families of mollusks. Washington, D.C.: Smithsonian Institution. [Darwin Pamphlet Collection] |