Conniff, Michael L. Black labor on a white canal Panama, 1904-1981 Michael L. Conniff. - Pittsburgh, Pa. University of Pittsburgh Press c1985. - xv, 221 p. ill. 25 cm. - Pitt Latin American series . Includes index. Bibliography: p. 211-215. ISBN: 0822935090 LCCN: 84021970 Subjects--Topical Terms: Blacks--History--Panama--20th century.Labor policy--History--Canal Zone--20th century.Labor policy--History--United States--20th century. Subjects--Geographic Terms: Panama--Race relations. LC Class. No.: F1577.B55 / C67 1985 Dewey Class. No.: 305.8/96/072875