Brooke, Jocelyn, author
Longman, 1952
Buku Teks
Clapham, Alfred, Sir, author
Longman, Green, 1950
Buku Teks
Bindoff, S.T., author
Penguin Books, 1951
Buku Teks
Richmond, Kenneth W.
Penguin Books, 1945
Buku Teks
Brooke, Jocelyn
Longman, 1952
Koleksi Publik