Wallace Online Bibliographical Database
| Identifier: | S228a |
| Date: | 1873.08.01 |
| Concise reference: | Wallace, A. R. 1873. The challenge: Its acceptance, trial, and postponement. The Zetetic and Anti-Theorist 2 (6 & 7): 41-43 (41-47). |
John van Wyhe, ed. 2012-. Wallace Online (http://wallace-online.org/) 