Collection of Herbert Locher, Koeln, Germany.
Collection of Hermann Praeger, Wittingen, Germany.
Collection of Lahmann-Schulze, Braunschweig, Germany.
Collection of Joshua P. Smith, Washington, USA.
Collection of Judy Nyquist, Houston, USA .
Collection of Frazier King, Houston, USA.
Collection of Joshua P. Smith, Washington, USA.
Collection of Judy Nyquist, Houston, USA.
Collection of Frazier King, Houston, USA.
And more private collections in Russia, Belgium, Great Britain, Germany, USA, France, Italy, and South Korea.