Common Exhibitions of Charles Cottet and George Washington Lambert
May 1‒Oct 20, 1907
Internationale Kunstausstellung Mannheim
Mannheim
:
Kunsthalle Mannheim
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 30‒Jun 30, 1914
Eighteenth Annual Exhibition
Pittsburgh
:
Carnegie Institute