1. RP 6160 Reference (shelfmark): RP 6160 Title: Scope & Content: WITTGENSTEIN, Ludwig. Various copy manuscripts. Sotheby’s, 19 July 1993, Lots 423, 427, 429 Creation dates: 1921 - 1922 Collection Area: Western Manuscripts Languages: English and German Date Range: 29 May 1996 Extent: 176 photocopies