UNESCO pub. Report on 64 replies to a questionnaire survey, undertaken by UNESCO in the 125 member states and 3 associate states, of bibliographycal services throughout the world for the period 1965 to 1969 - includes information on library cooperation, types of material (incl. Lists, catalogues, etc. Official publications, university thesis and dissertations, maps and atlases, films, patents, standards, etc.), periodical indexes, available training courses in bibliography, legal deposit, etc.