Dutton, C. B., & O'Brien, A. P. (1922). Letters from C. B. MacDibín [Dutton] to Art O'Brien regarding his attempts to question Michael Collins about the reasons O'Brien has been arrested. Also includes statements by C.B. MacDibín and Seán MacCraith regarding their interviews with William T. Cosgrave and Michael Collins about O'Brien's imprisonment.

Dutton, Charles Bertram, and Art Patrick O'Brien. Letters from C. B. MacDibín [Dutton] to Art O'Brien Regarding His Attempts to Question Michael Collins About the Reasons O'Brien Has Been Arrested. Also Includes Statements by C.B. MacDibín and Seán MacCraith Regarding Their Interviews with William T. Cosgrave and Michael Collins About O'Brien's Imprisonment. 1922.