The International Socialist Review was a Trotskyist publication produced by the Socialist Workers Party of the United States from 1956 to 1975 in magazine format, and until the 1990s as a supplement to the organization's weekly newspaper, The Militant. This publication succeeded the organization's theoretical magazine, Fourth International. In later years it was financed by the Center for Economic Research and Social Change (CERSC) based in Chicago. International Socialist Review was last published in May 2019. References External links International Socialist Review archive at marxists.org; partial contents of the second ISR from 1956 to 1969. 1956 establishments in Illinois 2019 disestablishments in Illinois Defunct political magazines published in the United States Magazines established in 1956 Magazines disestablished in 2019 Magazines published in Chicago Marxist magazines Newspaper supplements Socialist magazines