| Author: | Keller, Helen, 1880-1968 |
| Subject: | HV, Senses and sensation, Perception |
| Format: | Text |
| Date issued: | 2009 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The World I Live In [electronic resource] / Helen Keller |