This twenty-eighth volume of ABHB (Annual bibliography of the history of the printed book and libraries) contains 5045 records, selected from some 1000 periodicals, the list of which follows this introduction. They have been compiled by the National Committees of the following countries: Latvia Arab Countries Australia Lithuania Belarus Luxembourg Belgium Mexico The Netherlands Bulgaria Canada Poland Portugal Croatia Estonia Romania Finland Russia France Slovakia Great Britain Spain Sweden Hungary Iceland Switzerland Ireland Ukraine Italy USA Latin America 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 biblio­ graphy 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 envi­ ronment, involved in its production, distribution, conservation, and descrip­ tion.