Abell, George O., author
Holt Rinehart and Winston, 1974
Buku Teks
Rosenblatt, Louise M., author
Appleton-Century-Crofts, 1938
Buku Teks
Seoul-Somerset Jimoondang Publishing 2000
Buku Teks
Baring-Gould, Sabine, author
Longman, 1906
Buku Teks
edited by Cheryl R. Lehman
Emerald, 2017
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