| Subject: | BF, Psychology, Experimental |
| Format: | Electronic text |
| Date issued: | 2022 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Harvard Psychological Studies, Volume 2 [electronic resource] |
| Subject: | BF, Psychology, Experimental |
| Format: | Electronic text |
| Date issued: | 2022 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Harvard Psychological Studies, Volume 2 [electronic resource] |