<p> In its 27th edition <em>Museums of the World</em> covers more than 55,000 museums in 202 countries, listed hierarchically by country and place, and within places alphabetically by name. A separate chapter records some 500 museum associations in 132 countries.<br />Each museum has been assigned to one or more of 22 categories identifying the type and focus of the museum.<br />A typical entry contains the following details: </p> <ul> <li> Name of the museum in the original language with an English translation when necessary </li> <li> Address, phone and fax numbers </li> <li> E-mail address and URL </li> <li> Type of museum </li> <li> Year of foundation </li> <li> Head of museum </li> <li> Academic staff </li> <li> Collections and facilities </li> </ul> <p> An alphabetical index of museums, an index of persons covering directors, presidents, curators and academic staff of the museums, a personality index recording artists whose works are shown predominantly in a specific museum and/or referring to memorabilia of famous individuals, and a subject index facilitate the access to the data.<br />The eBookPLUS format comprises the content and search criteria of the printed edition and its indices, facilitating complex searches. </p>