Papers of Patrick McCartan, 1912-1938; Letters to Patrick McCartan, correspondents include Thomas Clarke, Michael Francis Doyle, Peter Golden, Ellen Leahy, Mary F. McWhorter, Dr. William J. Maloney, Reverend James W. Power, John Quinn and various other correspondents mainly relating to his position as the Irish Provisional Government Envoy to the United States, 1912-1938; Documents relating to foreign affairs of Provisional Government of Republic of Ireland foreign relations with the United States, 1917-1919; Documents relating to Éamon De Valera’s mission in the United States, 1919-1920; Documents relating to sale in United States of bond certificates of the Republic of Ireland, 1919-1921; Documents relating to negotiations between representatives of the Republic of Ireland and the Russian Socialist Federal Soviet Republic, 1919-1921; Documents relating to the American Committee for Relief in Ireland, December 1920; Documents relating to Committee of One Hundred for Investigation of Atrocities in Ireland, 1919-1921; Documents, including list of subscribers to ‘Irish Freedom’ in Philadelphia, 1910-1920; Printed items, mainly ephemeral publicity material of Irish American organizations, 1911-1921.