The Left Index provides indexing to "the diversity of literature on the left, with a primary emphasis on politically and culturally engaged scholarship inside and outside the academy and a secondary emphasis on significant but little known sources of news and ideas." Topics covered include politics, economics, the labor movement, ecology and environment, women's studies, race and ethnicity, social and cultural theory, sociology, art and aesthetics, philosophy, history, education, law, and globalization. (Updated quarterly)