TY  - BOOK
AU  - Heidgen, Heinz
TI  - The diamond seeker: the story of John Williamson 
U1  - 622.382096781 21
PY  - 1959///
CY  - London : Blackie
KW  - Williamson, John, 1907-1958
KW  - Diamond mines and mining
KW  - Tanganyika
N1  - Translation of Diamantensucher in Tanganyika
ER  -