Signed cabinet photograph (222 x 165mm.), c. 1930, with the blind stamp of Max Halberstadt, Hamburg on the mount, SIGNED BY FREUD ("Sigm. Freud") across the mount, framed and glazed, mount browned and starting to chip
Perspectiva pictorum et architectorum... Rules and examples of perspective proper for painters and architects... done into English... by Mr John James of Greenwich. London: Benjamin Motte, sold by John Sturt, 1707
Zweyter Theil der Clavier Ubung bestehend in einem Concerto nach Italienischen Gusto und einer O[u]verture nach Französischer Art, vor ein Clavicymbel mit zweyen Manualen. [Nuremberg:] Christoph Weigel Junioris, [1736]
Contemporary manuscript of the early Toccata in D minor for harpsichord, BWV 913, in a German scribal hand, THE ONLY EARLY MANUSCRIPT SOURCE, HITHERTO UNKNOWN, FOR THE FIRST VERSION ('FRÜHERE FASSUNG') OF THE WORK