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Journals and Magazines: This guide details the characteristics of each category.
Ulrich's International Periodicals Directory: Entries include information about whether the journal or magazine is a scholarly journal, consumer magazine, etc.
Instructions to Authors in the Health Sciences. This database of author instructions for more than 3,500 periodicals will frequently say if the periodical is peer-reviewed.
Paper journals: Frequently include instructions for authors in the front or back of the journal. Some instructions will use the phrase "peer reviewed." Others will say that manuscripts are sent for blind review, reviewed by a committee, or anonymously reviewed.
Research Databases: Some allow you to limit your search to scholarly journals peer-reviewed journals.