"Oceanic edition" published for the S.S. President Harding and the S.S. Leviathan.
Issue for June 10, 1947 is the Centennial edition.
Weekly ed.: Chicago weekly tribune (Chicago, Ill. : 1873), <1873-1881>.
Triweekly ed.: Chicago tribune (Chicago, Ill. : Triweekly), 1872-<1876>.