1. American Mathematical Society Archives, John Hay Library, Brown University, Providence.
2. Archivo Privado José Luis Massera, Archivo General de la Universidad de la República, Montevideo.
3. Carnegie Corporation of New York, III.A. Grant Files, box 36, folder 10, American Mathematical Society: Establishment in U.S. of International Journal of Math, Columbia University Archives, New York.
4. Chair’s Records [McGill], Correspondence: American Mathematical Society, Records Group 0032, Box 0786, File 05014, McGill University Archives, Montreal.
5. Mathematical Association of Victoria records, 1985.0154, University of Melbourne Archives, Melbourne. All items from box 1, folder 4.