- The Mineworkers by Robert Duncan, 2005-11-24
- Of the War by Robert Duncan, 1966-01-01
- The first decade: Selected poems 1940-1950 by Robert Edward Duncan, 1968
- Goths & Vandals of the Wemme Cases by Robert Gordon Duncan, 1932-01-01
- Derivations: Selected poems, 1950-1956 by Robert Edward Duncan, 1968
- Temple Dogs by Robert L. Duncan, 1978-08-12
- A cruising guide to the New England coast,: Including Long Island Sound and the Saint John River, New Brunswick, by Robert Fuller Duncan, 1952
- Medieval Scenes 1950 and 1959 by Robert Duncan, 1978-01-01
- The story of the Edinburgh Burns relics, with fresh facts about Burns and his family
- Credences 5/6 (Volume 2, Nos 3/4). by Robert, Editor, Michael Rumaker, Robert Duncan, James Broughton, John Wieners Et Al, Contributors Bertholf, 1978-01-01
- Brave deeds of revolutionary soldiers by Robert B Duncan, 2010-05-13
- Once Upon a World: Bedtime Bible Stories (B7 Premium Collection) by Robert Duncan, 2008-04-28
- A selection of 65 drawings from one drawing-book, 1952-1956 by Robert Edward Duncan, 1970
- Caesar's Gate by Robert and Jess Duncan, 1972
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