As a supplement to the general interest magazine articles in the " Readers'Guide ", Wilson created more specialized guides to professional journals, such as the Industrial Arts Index ( 1913 ), the Agricultural Index ( 1916 ), the Education Index ( 1929 ), the Art Index ( 1929 ), the Bibliographic Index ( 1938 ), Current Biography ( 1940 ), the Biography Index ( 1946 ), the Play Index ( 1949 ), and the Short Story Index ( 1953 ).
