| Author: | Schaeffer, Nathan Christ, 1849-1919 |
| Subject: | LB, Thought and thinking |
| Format: | Text |
| Date issued: | 2019 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Thinking and learning to think [electronic resource] / Nathan Christ Schaeffer |