The Upper Silesia plebiscite 20th March 1921, Origin – preparations – results – evaluation
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Instytut Śląski, Polska |
CORRESPONDING AUTHOR
Submission date: 2022-06-06
Final revision date: 2022-08-04
Acceptance date: 2022-08-12
Online publication date: 2022-08-18
Publication date: 2022-08-18