Kunkel, Wolfgang
At The Clarendon Press, 1975
Buku Teks
Dawson, Christopher
Sheed and Ward, 1946
Buku Teks
Sontag, Raymond James
Crofts, 1933.
Buku Teks
Collins, James
The Bruce Publishing Company, 1954
Buku Teks
Bohler, Jochen
Oxford University Press, 2017
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