TY - BOOK AU - Schaefer, Jack, 1907- PB - Penguin Books TI - The pioneers / Jack Schaefer T3 - Penguin books ; 1307. T3 - Penguin western. CY - Harmondsworth, Eng N1 - First published 1957. PY - 1958 M1 - Accessed from https://nla.gov.au/nla.cat-vn1624851 ER -