sentences:  Other examples of American proletarian writing include B. Traven, "The Death Ship" (1926) (though it is presumed that Traven was born in Germany); Agnes Smedley, "Daughter of Earth" (1929); Edward Dahlberg, "Bottom Dogs" (1929); Jack Conroy, "The Disinherited" (1933); James T. Farrell, "Studs Lonigan" (a trilogy, 1932-5); Robert Cantwell, "The Land of Plenty" (1934); Henry Roth, "Call It Sleep" (1934); Meridel Le Sueur, "Salute to Spring" (1940) and Tillie Olsen, "" (1930s, published 1974).Writers like John Steinbeck, Theodore Dreiser, and John Dos Passos, who wrote about the working class, but who came from more well-to-do backgrounds, are not included here.An important movement In the first years of the Russian Revolution, Proletkult, was an effort to encourage literacy.