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Bettella, C.; Capodaglio, C.; Ramous, C.; Vettore, M.C.: Declassifying the Library of Congress Classification : the case of the Department of Philosophy Library at the University of Padova (Padua, Italy) (2009)
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Dewey, M.: ¬A classification and subject index for cataloguing and arranging the books and pamphlets of a library (1876)
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