TY  - BOOK
AU  - Geach,Peterm
AU  - Potts,Timothy
TI  - A Wittgenstein Workbook / : by Members of the Department of Philosophy, The University of Leeds 
SN  - 0631135502
AV  - B3376.W564 W58 1980
PY  - 1970///
CY  - Oxford : 
PB  - Basil Blackwell
KW  - Wittgenstein, Ludwig, 
ER  -