Katz, William A., 1924-, author
Introduction to reference work volume II: reference services and reference progresses
McGraww-Hill, 1992
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The Encyclopedia Americana : volume 4
Americana Corporation, 1977
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The Encyclopedia Americana : volume 4
Americana Corporation, 1964
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Encyclopedia of microbiology; Volume 4
Lederberg, Joshua, editor-in-chief
Academic Press, 1992
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Encyclopaedia Britannica : volume 4
Encyclopaedia Britannica Inc., 1967
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