This twenty-third volume of ABBB (Annual bibliography of the history of the printed book and libraries) contains 3956 records, selected from some 1600 periodicals, the list of which follows this introduction. They have been compiled by the National Committees of the following countries: Arab Countries Italy Australia Latin America Austria Latvia Belgium Luxembourg Byelorussia The Netherlands Canada Poland Croatia Portugal Denmark Rumania Estonia Russia Finland South Africa Spain France Germany Sweden Great Britain Switzerland Hungary Ukrain Ireland (Republic of) USA Benevolent readers are requested to signal the names of bibliographers and historians from countries not mentioned above, who would be willing to co-operate to this scheme of international bibliographic collaboration. The editor will greatly appreciate any communication on this matter. Subject As has been said in the introduction to the previous volumes, this bibliography aims at recording all books and articles of scholarly value which relate to the history of the printed book, to the history of the arts, crafts, techniques and equipment, and of the economic, social and cultural environment, involved in its production, distribution, conservation, and description. Of course, the ideal of a complete coverage is nearly impossible to attain.