O'Brien, A. P., Sheehy-Skeffington, H., & Shortt, E. (1921). Posters and correspondence relating to the boycott of goods from Belfast and Britain. Also includes correspondence with Hanna Sheehy-Skeffington regarding attending the Imperial Conference, correspondence with Edward Shortt of the Home Office regarding the arrest of members of the Irish Self-Determination League of Great Britain, and correspondence with Albert Coyle of the American Commission on conditions concerning the distribution of propaganda pamphlets.

O'Brien, Art Patrick, et al. Posters and Correspondence Relating to the Boycott of Goods from Belfast and Britain. Also Includes Correspondence with Hanna Sheehy-Skeffington Regarding Attending the Imperial Conference, Correspondence with Edward Shortt of the Home Office Regarding the Arrest of Members of the Irish Self-Determination League of Great Britain, and Correspondence with Albert Coyle of the American Commission on Conditions Concerning the Distribution of Propaganda Pamphlets. 1921.