• IBZ International Bibliography of Periodical Literature
• IBR International Bibliography of Book Reviews of Scholarly Literature
• Periodicals Index Online
• Linguistic Abstracts Online
• British Education Index
• ERIC (European Reference Index for the Humanities)
• Linguistics & Language Behavior Abstracts
• MLA International Bibliography
• Bibliographie Moderner Fremdsprachenunterricht
• Scopus
• Arts and Humanities Citation Index
• Social Sciences Citation Index (SSCI)
• European Reference Index for the Humanities and Social Sciences (ERIH PLUS).