1. RP 6962 Reference (shelfmark): RP 6962 Title: Scope & Content: EDGEWORTH, Francis Ysidro (1845-1926). CZUBER, Emanuel (1851-1925). Edgeworth's autograph Manuscript notes on the presentation copy of Czuber’s 'Theories der Beobachtungsfehler' Creation dates: Circa 1891 Collection Area: Western Manuscripts Languages: Undetermined Date Range: 8 Oct 1998 Extent: 6 photocopies