Strauss, Richard - Set of 2 Concert Programs 1917 & 1927

Set of two programs for two different performances of works of the German composer conducted by the composer himself. The first one dated on October 18th, 1917 (1 page), and the other dated October 19th, 1927 (4 pages).  Sizes are 5.25 x 8 inches and 7.1 x 8.6 inches respectively, in very good condition.

SOLD TOGETHER, NOT SOLD SEPARATELY.