Mark Sponenburgh
Mark Ritter Sponenburgh (Cadillac, MI., June 15, 1916 – December 6, 2012)
Eternus by Mark Sponenburgh, 1987, Bronze
Eternus by Mark Sponenburgh, 1987, Bronze – verso
- Adela Akers
- Jeremy Anderson
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- Paul Beattie
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- Easton
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- James Ford Grant
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- Karen Green
- Tim Haworth
- Art Hazelwood
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- Joyce Ertel Hulbert
- Ray Jacobsen
- Jack Jefferson
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- Evri Kwong
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- Frank Lobdell
- Carolyn Lord
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- Henri Matisse
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- Don Martin
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- Mary Fuller McChesney
- Robert Pearson McChesney
- Michael McMillan
- Emmanuel Catarino Montoya
- Irving Norman
- Nathan Oliveira
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- Michael Ramos
- Noel Rockmore
- Alejandro Salazar
- Charles M. Schulz
- Louis Bassi Siegriest
- Mary Silverwood
- Martina Skala
- Hassel Smith
- Jim Spitzer
- James Suzuki
- Colin Talcroft
- Horst Trave
- Serge Trubach
- Seymour Tubis
- Elmer Wachtel
- June Wayne
- Penny Wolin
- Annex Galleries
- Bay Area Art Conservation Guild
- Bodega Bay Heritage Gallery
- Crocker Art Museum
- Grace Hudson Museum
- Hammerfriar Gallery and Framing
- Modern Art West Gallery
- National Museum of Women in the Arts
- Oakland Museum of California
- Petaluma Arts Center
- Sebastopol Center for the Arts
- Sonoma County Museum
- Sonoma Valley Museum of Art
- The Gold Leaf Workshop
- The Ren Brown Collection Gallery
Artists
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