MacManus, M. J., O'Brien, W., & Irish Press. (1942). Letter from M. J. MacManus to William O'Brien informing him "Frank Callaghan" met "Mr Wheelwright" in New York and his doubts that he had a hand in 'The King's [Men?]' and also referring to 'Belmont Castle' written by Wolfe Tone and his two student friends.

MacManus, M. J., et al. Letter from M. J. MacManus to William O'Brien Informing Him "Frank Callaghan" Met "Mr Wheelwright" in New York and His Doubts That He Had a Hand in 'The King's [Men?]' and Also Referring to 'Belmont Castle' Written by Wolfe Tone and His Two Student Friends. 1942.