References
^ Denver Art Museum StaffThe Masterworks of Charles M. Russell : A Retrospective of Paintings and Sculpture 6 by Denver Art Museum Staff (2009, Paperback) ISBN 9780806140971 (revised Jun 2024)^ TROCCOLI JOAN CARPENTER (2014). The Masterworks of Charles M. Russell: A Retrospective of Paintings and Sculpture, Univ of Oklahoma Pr. BiggerBooks. ISBN 9780806140971 (revised Jul 2024)
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