Journal Citation Reports

The Journal citation reports offer a "systematic and objective means of determining the relative importance of science and social sciences journals within their subject categories." (ISI's claim)

The Science Edition provides citation data on nearly 5,000 leading science journals. It includes topics from Agriculture to Zoology.

The Social Sciences Edition provides citation data on approximately 1,700 leading social sciences journals. It includes topics from anthropology to women's studies.

subject of science edition:

agriculture to zoology

subject of social science edition:

anthropology to women's studies.