The following downloadable lists were obtained from the Ulrich's Periodicals Directory database. The search criteria used were as follows. Journals included had to be:
In addition, only the most common/general subject terms were used in the search to identify journals. Because many open access journals are published outside the United States and are classified with a wide variety of subject terms, these lists are not comprehensive. Nevertheless, they do offer some indication of the extent of open access journal publishing in these disciplines in the United States at the present time.