Ulrich’s Periodicals Directory (ProQuest)

MLA International Bibliography

MLA Directory of Periodicals

Directory of Open Access Journals (DOAJ)

QOAM (Quality Open Access Market)

British National Bibliography

WAC Clearinghouse Journal Listings

EBSCO Education

ICI Journals Master List

ERIH PLUS

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Gale-Cengage

WorldCat

Crossref

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J-Gate

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BASE

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ORE Directory

TIRF

China National Center for Philosophy and Social Sciences Documentation