Einzig, Paul
Primitive money in its ethnological, historical and economic aspects / by Paul Einzig
Eyre & Spottiswood , 1949
 Buku Teks
The Critical temper : a survey of modern criticism on English and American literature from the beginning to the twentieth century; Vol. III
edited by Martin Tucker
Ungar, 1988
 Buku Referensi
Diamond, A. S. (Arthur Sigismund)
Primitive law
Johnson`s, 1950
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Boas, Franz, 1858-1942
Primitive art
Dover Publication, 1955
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Gobran, Alfonse
Beginning algebra
Prindle, Weber & Schmidt, 1975
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