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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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Wellisch, H.H.: Indexing: a basic reading list (1992)
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Wellisch, H.H.: UDC: present and potential (1974)
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Wellisch, H.H.: Subheadings: how many are too many? (1993)
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Wellisch, H.H.: Aboutness and selection of topics (1996)
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Wellisch, H.H.: ¬The case of the missing subtitle (1981)
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Wellisch, H.H.: Indexing from A to Z (1991)
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Wellisch, H.H.: ¬The Universal Decimal Classification : a programmed instruction course (1970)
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Wellisch, H.H.: Indexing after the millennium : 3: the indexer as helsman (1998)
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Wellisch, H.H.: ¬The literature of indexing (1989)
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Wellisch, H.H.: ¬The cybernetics of bibliographic control : toward a theory of document retrieval systems (1980)
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Wellisch, H.H.: Indexing and abstracting 1977-1981 : an international bibliography (1984)
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Wellisch, H.H.: Incunabula indexes (1994)
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Wellisch, H.H.: ¬A new classification of the world's languages (1982)
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Wellisch, H.H.: Indexing from A to Z (1996)
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Wellisch, H.H.: Indexing from A to Z (1995)
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Wellisch, H.H.: Indexing the continuum of verbal texts (1997)
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Wellisch, H.H.: ¬The art of indexing and some fallacies of its automation (1992)
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Wellisch, H.H.: Hans H. Wellisch : cultivating the garden of librarianship (1998)
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