1 O'Donnell to Bishop M. . ., Oct. 6, 1930. Presidents' Letters, UNDA.
2 O'Donnell, to T. M., August 8, 1931. President's Letters, UNDA.
3 O'Donnell, to L., April 8, 1929. Presidents' Letters, UNDA.
5 O'Donnell to Sr. Eleanore, Nov. 11, 1931. Presidents' Letters, UNDA.
6 The Saturday Review, February, 1932.
8 O'Donnell to Shane Leslie, May 17, 1932. Presidents' Letters, UNDA.
9 O'Donnell to Kenna, Dec. 19, 1932. Presidents' Letters, UNDA.
10 O'Donnell to Leigh, March 14, 1930. Presidents' Letters, UNDA.
11 O'Donnell to K., June 14, 1932. Presidents' Letters, UNDA.
12 O'Donnell to Keady, March 27, 1933. Presidents' Letters, UNDA.
13 O'Donnell to Aline Kilmer, May 8, 1933. Presidents' Letters, UNDA.
14 O'Donnell to Fisher, August 16, 1933. Presidents' Letters, UNDA.
15 O'Donnell to Aline Kilmer, Dec. 15, 1933. Presidents' Letters, UNDA.
16 Notre Dame Alumnus, XII, (1933-34), 271.