The paper gives a new insight into the cataloguing practice in the COBISS.SI system, primarily regarding the necessity of bibliographic data for the management of bibliographies for researchers and research organisations. The paper evaluates two areas in the cataloguing practice, both of them optional but recommended.
An assessment of the Splošni slovenski geslovnik (Slovenian general list of subject headings), published by the National and University Library (NUK) in 2000, is dealt with in this article. The analysis of the NUK subject headings list is made in the light of individual principles comprised in 1999 IFLA’s Principles Underlying Subject Heading Languages (SHLs).
The first part gives an overview of the development of the Library of Congress subject headings system from its beginnings, over one hundred years ago, to its place and role in the present-day online catalogues.