TY  - BOOK
AU  - Caspar,Max
AU  - Hellman,  C. Doris
TI  - Kepler
T2  - Men-of-science library,
AV  - QB36.K4 C33
U1  - 925.2 21
PY  - 1962///
CY  - New York, N. Y.
PB  - Collier Books
KW  - Kepler, Johannes,
KW  - Biography ; Astronomers
KW  - Germany
N1  - Includes bibliography
ER  -