Thompson Frank H. The jungle : Sinclair, Upton, 1878-1968 notes / Frank H. Thompson - Lincoln : Nebraska : Cliff's Notes, 1970. - 98 p. : 21 cm. ISBN: 08220006995 Subjects--Topical Terms: Illinois--ChicagoStockyardsLithuanian AmericansJungle (Sinclair, Upton) Dewey Class. No.: 813.52 / THO 1970