| Shelfclass_id | 5.A |
| Sortkey | WITTGENSTEIN, LUDWIG |
| Authors | Ludwig Wittgenstein |
| Title | The Blue and Brown Books: Preliminary studies for the "Philosophical investigations" |
| Publisher | Harper |
| Year | [1958] |
| Languages | eng |
| Description | xiv, 185 p illus |
| Record date | 20060803 |
| Location | New York |