Gwynn, Stephen Lucius, and Charlotte Grace O’Brien. “Introductory Memoir”. Charlotte Grace O’Brien, Maunsel, 1909, pp. 3-135. 35, 106
Gwynn, Stephen Lucius, and Charlotte Grace O’Brien. “Introductory Memoir”. Charlotte Grace O’Brien, Maunsel, 1909, pp. 3-135. 34