Osborne, Sidney (1874-).
The Upper Silesian question and Germany's coal problem / by Sidney Osborne. - London : George Allen and Unwin, 1920. - 285 s. ; 23 cm.
Wojna --1914-1918
Ekonomia--20-21 w.
Śląsk Dolny--historia
The Upper Silesian question and Germany's coal problem / by Sidney Osborne. - London : George Allen and Unwin, 1920. - 285 s. ; 23 cm.
Wojna --1914-1918
Ekonomia--20-21 w.
Śląsk Dolny--historia