1. RP 10155 Reference (shelfmark): RP 10155 Title: Scope & Content: EINSTEIN, Albert. Typed letter signed to Dr R. L. Worrall, on physics and the perception of reality. Bonhams, 12 Nov 2013, 20753, Lot 317. Creation dates: 18 March 1930 Collection Area: Western Manuscripts Languages: German Date Range: 21 Nov 2013 Extent: Digital images (1 disc)