The Catalog of the University of California Libraries (Melvyl) The Melvyl Catalog contains records for materials (books, journals, movies, maps, music scores and recordings, computer files, dissertations, government documents, etc.) held by the libraries of the 10 University of California campuses, the California State Library, Hastings College of the Law, the California Academy of Sciences, the California Historical Society, the Center for Research Libraries, the Graduate Theological Union, and the Lawrence Berkeley National Laboratory. All publication dates are included. The database contains more than 27,000,000 records; most campuses update their holdings on a weekly basis. in Public bookmarkswith book-searchcataloguelibrarieslibrary-lessonmlim6319圖書課圖書館書目書籍搜尋