TY  - GEN
AU  - Ricker, Ralph Ross, 1908-
TI  - The Greenback-Labor movement in Pennsylvania vii, 141 p. : illus. ; 24 cm
AV  - HG 604 .R5 
KW  - Bibliography: p. 128-135
N1  - Thesis--Penna. State Univ., 1955
ER  -