Freeman Bibliographical Database
| Identifier: | F871 |
| Date: | 1867 |
| Concise reference: | Darwin, C. R. 1867. Queries about expression. ?Boston or Cambridge, Mass. No copy known. |
| Detailed reference: | 871. 1867 ?Boston or Cambridge, Mass. ?Single sheet. Printed for Asa Gray before 26 March. 50 copies. No copy known. |