Quinn, J., & Duffy, G. G. (1916). Letter from John Quinn, Nassau Street, New York, to George Gavan Duffy requesting Duffy's opinion on an article he wrote about Roger Casement which was published in 'New York Times' and discussing the "Black Diaries".

Quinn, John, and George Gavan Duffy. Letter from John Quinn, Nassau Street, New York, to George Gavan Duffy Requesting Duffy's Opinion on an Article He Wrote About Roger Casement Which Was Published in 'New York Times' and Discussing the "Black Diaries". 1916.