Wittgenstein, Ludwig, 1889-1951.
Preliminary studies for the 'Philosophical investigations' : generally known as the Blue and Brown books / Blue and Brown books - Oxford : Blackwell, 1969. - xv, 192 p. : ill. ; 23 cm.
063111890X
69020433
B69-10384
B3376.W563 / P6 1969
107 / WIB
Preliminary studies for the 'Philosophical investigations' : generally known as the Blue and Brown books / Blue and Brown books - Oxford : Blackwell, 1969. - xv, 192 p. : ill. ; 23 cm.
063111890X
69020433
B69-10384
B3376.W563 / P6 1969
107 / WIB