Preliminary studies for the 'Philosophical investigations', generally known as the Blue and Brown books.

Wittgenstein, Ludwig, 1889-1951.

Preliminary studies for the 'Philosophical investigations', generally known as the Blue and Brown books. - 2nd ed. - Oxford, Blackwell, 1969. - xv, 192 p. illus. 23 cm.

63111890X

69020433

B69-10384

B3376.W563 / P6 1969

193 / W784we v.3