Willem Mengelberg (1871-1951)

Binder with 5 manuscript original postcards in German by Mengelberg, mostly addressed to Prof. Dr. Otto Lanz and 1 letter from art historian Paul Schubring addressed to Frau dr. Keyzer. With file with copies of this correspondence, and a number of telegrams of which the original is not included + 16 photocards of Willem Mengelberg + 6 programme booklets, most Concertgebouw Amsterdam including a rare booklet "50 jaar Concertgebouw Amsterdam 1888-1938". With a number of newspaper articles on Mengelberg, a framed etching of Richard Wagner and a photocollage/ -montage of small portrait photos, probably of conductors.