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Wellisch, H.H.: Organisatorische Neuordnung des DK-Systems (1971)
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- Nachrichten für Dokumentation. 22(1971), S.55-63
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Wellisch, H.H.: Year's work in subject analysis : 1980 (1981)
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- Library resources and technical services. 25(1981), S.295-309
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Wellisch, H.H.: UDC: present and potential (1974)
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- Drexel library quarterly. 10(1974) no.4, S.75-89
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Wellisch, H.H.: Subheadings: how many are too many? (1993)
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- Keywords. 1(1993) no.6, S.12-13
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Wellisch, H.H.: Aboutness and selection of topics (1996)
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- Keywords. 4(1996) no.2, S.7-9
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Wellisch, H.H.: ¬The case of the missing subtitle (1981)
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- Cataloging and classification quarterly. 1(1981) no.1, S.73-76
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Wellisch, H.H.: Indexing after the millennium : 3: the indexer as helsman (1998)
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- Indexer. 21(1998) no.2, S.59
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Wellisch, H.H.: ¬The literature of indexing (1989)
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- S.1-14
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Wellisch, H.H.: ¬The cybernetics of bibliographic control : toward a theory of document retrieval systems (1980)
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- S.82-100
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Wellisch, H.H.: Incunabula indexes (1994)
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- Indexer. 19(1994) no.1, S.3-12
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Wellisch, H.H.: ¬A new classification of the world's languages (1982)
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- S.59-68
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Wellisch, H.H.: Indexing the continuum of verbal texts (1997)
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- Learned publishing. 10(1997) no.1, S.15-19
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Wellisch, H.H.: ¬The art of indexing and some fallacies of its automation (1992)
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- Logos. 3(1992) no.3, S.69-76
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Wellisch, H.H.: Hans H. Wellisch : cultivating the garden of librarianship (1998)
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- Cataloging and classification quarterly. 25(1998) no.4, S.289-304
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Wellisch, H.H.: Book and periodical indexing (1994)
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- Journal of the American Society for Information Science. 45(1994) no.8, S.620-627