American Library Association Index, (to 1900) A. L. A. I. Supplement, 1901-1910 A. L. A. Supp. Annual Literary Index (1892-1904) A. L. I. Continued as Annual Library Index, 1905-1910 A. L. I. Dramatic Index, 1909- D. I. Published with Annual Magazine Subject Index. Magazine Subject Index: Boston, 1908 M. S. I. Continued by Annual Magazine Subject Index, 1909- A. S. I. Poole’s Index to Periodical Literature, 1802-1881 Poole Supplements, 1882-1906; 1907-1908 Poole Supp. Reader’s Guide to Periodical Literature, 1900- R. G. Supplement, 1907-1915, 1916-1919 R. G. Supp. Continued as International Index to Periodicals, 1921- I. I. P.        Periodicals