Upton Sinclair A Study in Social Protest by Floyd Dell 1927 SIGNED by Sinclair

Proceeds benefit the Oklahoma City Metropolitan Library System. Upton Sinclair by Floyds Dell, The Murray Hill Biography. Digitized in 2008 and again in 2012.

His novels, essays, plays, short Stories and Biographies are still being read today. 2024 Listed Chicago Literacy Hall of Fame, Encyclopedia Britannica.

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