Pears cyclopedia
editor L. Mary Barker
A & F Pears , 1949
 Buku Referensi
Cyclopedia of world authors
edited by Frank N. Magill
Harper & Brothers, 1958
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Roberts, Kate Louise, compiler
Hoyt's new cyclopedia of practical quotations
Grosset and Dunlap , 1940
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Little, Charles E.
Cyclopedia of classified dates: with an exhaustive index
Gale Research Company, 1967
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The international cyclopedia of music and musicians / edited by Oscar Thompson
Dodd, Mead & Company, 1956
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