There are a number of databases that psychologists use to access the knowledgebase of their science. They include: MEDLINE PubMed PubPsych PsycINFO PsycARTICLES PsycFIRST PsycSCANs Online * PsycSCAN: Applied Psychology * PsycSCAN: Behavior Analysis & Therapy * PsycSCAN: Developmental Psychology * PsycSCAN: LD/MR * PsycSCAN: Psychopharmacology Cochrane Library CINAHL EMBASE Psychological Abstracts PsycLit *Ulrich International Periodical Directory, *PUBLIST (The Internet Directory Publications), *ISSN International, *PSICODOC, *PSEDISOC, the ISOC database *CSIC-RISO, *CIRBIC-REVISTAS, *COMPLUDOC *Institute for Scientific Information(Thomson-ISI) Science Citation Index Social Sciences Citation Index