From the Schubert Club Archive:

Portrait of Grainger, dated February 3, 1916, a year before his Schubert Club performance
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1916-17 season prospectus listing Grainger’s “pianoforte recital” on February 3, 1917
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Cover of the program for Grainger’s 1917 concert at People’s Church in St. Paul
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Program for Grainger’s 1917 concert, including his own program notes
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Local review of Grainger’s 1917 performance at People’s Church
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