O'Brien, A. P., Brennan, R., & Childers, E. (1921). Copies of memorandums between Art O'Brien and Robert Brennan, Under Secretary of Foreign Affairs, regarding British emigration to South Africa and its effect on South African relations with Ireland, the organisation of a World Conference, and articles in the foreign press concerning Ireland.

O'Brien, Art Patrick, et al. Copies of Memorandums Between Art O'Brien and Robert Brennan, Under Secretary of Foreign Affairs, Regarding British Emigration to South Africa and Its Effect on South African Relations with Ireland, the Organisation of a World Conference, and Articles in the Foreign Press Concerning Ireland. 1921.