TY  - BOOK
AU  - Subtelny,Orest
TI  - On the Eve of Poltava: The letters of Ivan Mazepa to Adam Sieniawski, 1704-1708
PY  - 1975///
CY  - New York
PB  - The Ukrainian Academy of Arts and Sciences in the USA
KW  - Mazepa, Ivan, 1639-1709 - Letters
KW  - History - Cossack Hetman State
N1  - Preface by Oleksandr Ohloblyn
ER  -