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1Publicado 1963Washington : General Reference and Bibliography Division, Reference Department, Library of Congress, 1963.1 online resource (vi, 354 pages)“...Library of Congress. General Reference and Bibliography Division...”
Center for Research Libraries: 1963
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2Publicado 1960Washington : General Reference and Bibliography Division, Reference Department, Library of Congress, 1960-1963.1 online resource (4 volumes)“...Library of Congress. General Reference and Bibliography Division...”
Center for Research Libraries
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3por Conover, Helen Field
Publicado 1959Washington : General Reference and Bibliography Division, Reference Dept., Library of Congress, 1959.1 online resource (xii, 153 p.)“...Library of Congress. General Reference and Bibliography Division...”
LLMC Digital
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4Publicado 1960Washington : General Reference and Bibliography Division, Reference Department, Library of Congress, 1960.1 online resource (vii, 41 pages)“...Library of Congress. General Reference and Bibliography Division...”
Center for Research Libraries
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5Publicado 1961Washington : General Reference and Bibliography Division, Reference Department, Library of Congress, 1961.1 online resource (x, 88 pages)“...Library of Congress. General Reference and Bibliography Division...”
Center for Research Libraries
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6por Conover, Helen F. (Helen Field)
Publicado 1945[Washington] : [Library of Congress, General Reference and Bibliography Division], [1945]1 online resource (181, S68 pages)“...Library of Congress. General Reference and Bibliography Division...”
LLMC Digital
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