Freeman Bibliographical Database
| Identifier: | A6899 |
| Date: | 1873 |
| Concise reference: | Spencer, Herbert. 1873. The study of sociology. No. XV.—Preparation in psychology. Contemporary Review 22: 509-532. |
| Identifier: | A6899 |
| Date: | 1873 |
| Concise reference: | Spencer, Herbert. 1873. The study of sociology. No. XV.—Preparation in psychology. Contemporary Review 22: 509-532. |