PRELIMINARY STUDIES FOR THE "PHILOSOPHICAL INVESTIGATIONS"; Generally known as The blue and brown books
NY: Barnes & Noble, 1969. Second edn. 8vo, pp. xiv, 192. Index. Cover little worn at corners, o/w a VG tight copy. Item #41170
The Blue Book was a set of notes, dictated to his class at Cambridge during 1933-34; the Brown Book was dictated to two students during 1934-35, and was more of a draft of something he intended to publish. Both concern the study of language.
Price: $12.80
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