Common Exhibitions of Alfred East and Gustave Adolph Wiegand

  • Nov 2, 1905‒Jan 1, 1906 Tenth Annual Exhibition
    Pittsburgh: Carnegie Institute
  • May 2‒Jun 30, 1910 Fourteenth Annual Exhibition
    Pittsburgh: Carnegie Institute
  • Apr 27‒Jun 30, 1911 Fifteenth Annual Exhibition
    Pittsburgh: Carnegie Institute