A scholarly journal refers to a journal which provides articles, essays, reviews, etc. Periodical is the generic name for a magazine, journal, or newspaper. Serial is the library term for a periodical. Peer reviewed means that experts in the field evaluate the validity of an article before it is published. A refereed article has been peer reviewed.
Indexes list citations to articles on a particular topic, name, person, place, etc.
An index can be in a printed or an electronic format. Some indexes contain abstracts , brief summaries of the article. A few electronic indexes contain the full text of articles on the computer. Periodicals are located throughout the library. Check the library's online catalog to determine exact locations.