Halecki, Oskar, 1891–1973
Nationality: Undetermined, possibly 
(Poland)
Identities and Authority Control
- pdbooks.info ID: 149042
Oskar Halecki Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Ostatnie lata Świdrygiełły i sprawa wołyńska za Kazimierza Jagiellończyka | 1915 | Author | |  |  | | |    
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| Przylaczenie Podlasia, Wolynia i Kijowszczyzny do Korony w Roku 1569 | 1915 | Author | | | | | |
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