- Robert Duncan: Scales of the Marvelous (Insights, Working Papers in Contemporary Criticism) by Robert J. Bertholf, 1980-02
- Mr. Robert Duncan on "evolution in naval architecture during the reign of Queen Victoria." by Pollock & Co. bkp CU-BANC Orr, 2010-08-04
- The Lost America of Love: Rereading Robert Creeley, Edward Dorn and Robert Duncan by Sherman Paul, 1981-10
- Jess: Emblems for Robert Duncan : San Jose Museum of Art by Jess, John Yau, 1990
- Robert Duncan: Drawings and Decorated Books
- China Dawn by Robert L. Duncan, 1988-12-01
- Pole And Tower Lines For Electric Power Transmission (1916) by Robert Duncan Coombs, 2010-09-10
- Hard as Nails: The Graham Roberts Story by Graham Roberts, 2009-07
- Fire Storm by Robert L. Duncan, 1979-08-12
- The Mathematical Writings of Duncan Farquharson Gregory by William Walton, Robert Leslie Ellis, et all 2010-03-04
- The Robert Lehman Collection at the Metropolitan Museum of Art, Volume IX: Nineteenth- and Twentieth-Century European Drawings (Robert Lehman Collection in the Metropolitan Museum of Art) by Richard R. Brettell, Francoise Forster-Hahn, et all 2003-01-06
- The trial of Mrs. Duncan by Helen Duncan, C E. Bechhofer 1894-1949 Roberts, et all 2010-08-08
- Selected poems; edited by Robert J. Bertholf. by Robert Duncan, 1993
- BLUE-EYED CHILD OF FORTUNE: The Civil War Letters of Robert Gould Shaw by Robert Gould. Ed. Russell Duncan Shaw, 1992
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