Provides examples of the scanned facsimile images of the 19th century advertisements from the illustrated Journal, Harper's Weekly of 1857-1872. HarpWeek offers free on-line access to the index of the advertisements found in Harper's Weekly (1857-1872) to registered users. Links to the HarpWeek database that can be searched in full-text as well as in a thesaurus-based index broken down by subject, illustrations, literature & publishing, and advertising.