Introduction to subject indexing : a programmed text 2026-02-16T01:39:06+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Brown, A. G. (Alan George); Langridge, Derek Wilton; Mills, J. (Jack), 1918- (C. Bingley ; Linnet Books, 1976)