Publications issued on a regular basis are periodicals.
Weekly magazines, scholarly journals and newspapers are all examples of periodicals. Serials are any periodicals, books, yearbooks, or indexes that are issued in a series. So all periodicals are serials but all serials are not periodicals. In most UMCP Libraries, current issues of periodicals are arranged by title, in alphabetical order , in a Periodicals Room or area. Generally, earlier issues of periodicals are either bound or are available on microfilm.