TY  - BOOK
AU  - Wittgenstein, Ludwig
AU  - Wright, G. H. Von
TI  - ON CERTAINTY
U1  - 121.6 
PY  - 1969///
CY  - Oxford
PB  - Blackwell
KW  - Belief And Doubt
N1  - Original Title : Uber Gewissheit; Text In Both German And English
ER  -