Ethnographic perspective. Search by Culture, Region, Country. The Human Relations Area Files (HRAF) is a full-text collection of primary and secondary materials and ethnographies on nearly 400 different ethnic, cultural, religious, and national groups worldwide. It is useful for finding information on a particular culture or cultural trait or for making cross-cultural comparisons. HRAF includes thousands of pages of text from books, articles, dissertations, and unpublished manuscripts as well as English translations of foreign texts. Search by keyword, geographic (OWC) codes, or topical (OCM) classification scheme.