Common Exhibitions of Emanuel Hegenbarth and Harrington Mann
May 1‒Oct 20, 1907
Internationale Kunstausstellung Mannheim
Mannheim
:
Kunsthalle Mannheim
Apr 23‒Oct 31, 1910
IX. Esposizione d'Arte della Città di Venezia
Venice
:
Giardini Pubblici
Apr 13‒Jul 1912
Stedelijke Internationale Tentoonstelling Van Kunstwerken Van Levende Meesters
Amsterdam
:
Stedelijk Museum
Apr 25‒Jun 30, 1912
Sixteenth Annual Exhibition
Pittsburgh
:
Carnegie Institute
Apr 24‒Jun 30, 1913
Seventeenth Annual Exhibition
Pittsburgh
:
Carnegie Institute