TY  - BOOK
AU  - Wittgenstein,Ludwig
TI  - The Blue and Brown books: Preliminary studies for the "Philosophical investigations"
PY  - 1964///, c1958]
CY  - New York
PB  - Harper
KW  - Philosophy
KW  - Studies and investigations
KW  - Local
N1  - "Second edition."
ER  -