Glossary of Library and Information Science - P

P

• periodical index - an alphabetized listing of works that are published at regular intervals of more than one day.

• plagiarism - the passing off as your own, the work of others'. Original sources are not given credit.

• primary source - the originator of a primary record. A primary record is a resource created by the same people that initially experienced or used it. They create the records for their own purposes, records that often remain unpublished. Sometimes they witness an event, sometimes they are involved in an event, and sometimes the record is directly created by the event.