FreeFullPDF.com. JURN : search over 4,000 free scholarly ejournals in the arts & humanities. DOAJ -- Directory of Open Access Journals. Search Contents of Open Access Repositories. Search Repository Contents This service, based on the Google Custom Search engine, lets you search the contents of the repositories listed in OpenDOAR for freely available academic research information. This quality assured approach minimises (but does not eliminate!)
Spurious or junk results, and leads more directly to useful and relevant information. Full texts are available for most results. This service relies on Google's indexes, which in turn rely on repositories being suitably structured and configured for the Googlebot web crawler. Scientific Commons | A Community for Scientific Information. BASE Lab (Bielefeld Academic Search Engine): Basic Search. ISIDORE - Accès aux données et services numériques de SHS.