Waldman, Milton
Brief Lives, 1952
Buku Teks
edited by Richard L. Greaves
D.C. Heath, 1974
Buku Referensi
Neale, J. E.
Alden Press, 1950
Buku Referensi
Collis, Maurice, 1889-1973
Faber and Faber , 1935
Buku Teks
by Lytton Strachey
Chatto and Windus, 1951
Buku Teks