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International federation of library associations and institutions : Working group on uniform headings for liturgical works
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International federation of library associations and institutions : International office for UBC
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International federation of library associations and institutions
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International federation of library associations and institutions
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Congres international des bibliotheques et des centres de documentation <1955 ; Bruxelles>
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International federation of library associations and institutions : Study group on the functional requirements for bibliographic records
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