Anti-slavery and Aborigines Protection Society, Casement, R., & Harris, J. H. (1913). Letter from John H. Harris of the Anti-slavery and Aborigines Protection Society to Roger Casement thanking him for his note which does not state "no" to his proposed offer and informing him the position would not interfere with him taking a seat in the Parliament in Dublin.

Anti-slavery and Aborigines Protection Society, et al. Letter from John H. Harris of the Anti-slavery and Aborigines Protection Society to Roger Casement Thanking Him for His Note Which Does Not State "No" to His Proposed Offer and Informing Him the Position Would Not Interfere with Him Taking a Seat in the Parliament in Dublin. 1913.