| ID | 011051 |
| Call Number | R85xM89,O 111K9W |
| Title Proper | On certainty |
| Language | ENG |
| Author | Ludwig Wittgenstein |
| Publication | New York, Harper Torchbooks, 1969. |
| Description | 90p. ; 21cm |
| Standard Number | 0-06-131659-8 |
| Cardex. Copy Specific Data | 111K9W;1 |
| Classification Number | R85xM89,O |
| Key Words | JNC |