General
A 1974 survey of libraries world-wide concerning scripts used and script conversion practices employed in their catalogs (sample size: 231; responding: 146 or 63%) showed that5 (3%) libraries provided cross-references from non-Roman to romanized entries, while 5 (3%) libraries provided cross-references from romanized entries to non-Roman entries. (Source)
Academic
A study reported in 1972 of the author/title section of the card catalog in the Norlin Library of the University of Colorado (population: 1,000,000 cards; sample size: 2,500 cards) showed thatin the sample 10.14% of the cross-references were blind. (Source)
Special
A survey reported in 1975 of subject heading use in a wide range of law libraries selected from the 1972 edition of the American Association of Law Libraries Directory of Law Libraries (sample size: 256; responding: 204; usable: 200 or 78.1%) showed thatthe following cross-reference structure was kept in the public card catalog:
full structure (sec and see also references) 97 (48.5%) respondents
see references and selected see also references 71 (35.5%) respondents
see references only 20 (10.0%) respondents
