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language_ss:"e"
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theme_ss:"Geschichte der Sacherschließung"
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type_ss:"a"
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year_i:[1980 TO 1990}
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- object's%3a%22EARTh-thesaurus%22 2
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Roberts, N.: Historical studies in documentation : the pre-history of the information retrieval thesaurus (1984)
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Pettee, J.: ¬The subject approach to books and the development of the dictionary catalog (1985)
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- Footnote
- Original in: Pettee, J.: The history and theory of the alphabetical subject approach to books. New York: Wilson 1946. S.22-25.