Preliminary studies for the 'Philosophical investigations' generally known as the Blue and Brown books.
| প্রধান লেখক: | |
|---|---|
| বিন্যাস: | গ্রন্থ |
| ভাষা: | English German |
| প্রকাশিত: |
New York
Harper Torchbooks
c1958.
|
| সংস্করন: | [2nd ed.]. |