Freeman Bibliographical Database
| Identifier: | F1428 |
| Date: | 1970 |
| Concise reference: | Darwin, C. R. 1970. [Extracts from Darwin's notes] in Romanes, George J. Animal intelligence. New York: Gregg International. |
| Detailed reference: | 1428. 1970 New York, Gregg International. Facsimile of F1416. |