Foskett, A.C. The subject approach to information - Clive Bingley London 1969 - 429 - Information retrieval system Indexing languages ISBN: 0 85157 118 2 = Foskett, A.C. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 1174 Nat. Bib. Agency Control No.: 025.4FOS Subjects--Topical Terms: Librarianship Universal Decimal Class. No.: 025.4