| Author: | Groos, Karl, 1861-1946 |
| Subject: | BF, Child psychology, Games, Play, Adulthood |
| Format: | Electronic text |
| Date issued: | 2018 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Play of Man [electronic resource] / Karl Groos |