31-Portrait of R Matyas Maria. Googling, I found that Maria Matyas, soprano, and the Barthel Woodwind Ensemble, performed on April 26, 1938, in the Lyceum series (which ran from 1928-1945 in the Louis Kaufman Auditorium, Graveraet High School, Marquette, Michigan).
32-The horseshoe-shaped interior
33-Stage front (proscenium)