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Books about Tonisson:
Jaan Tõnisson: Koguteos Tema Üheksakümnenda Sünnipäeva Tähistameks. by Jaan] [Tõnisson (1960)
Kaks Suurt, Jaan Tonisson, Konstantin Pats by Mart Raud (Jan 1, 1953)
Kaks suurt: Jaan Tonisson, Konstantin Pats ja nende ajastu (Estonian Edition) by Mart Raud (1991)
Matsi raamat: Mats Tonisson, 1853-1915 (Estonian Edition) by Pilvi Ullaste (1997)
Wiki information Tonisson:
Jaan Tõnisson VR I/3, II/3 and III/1 was an Estonian statesman, serving as the Prime Minister of Estonia twice during 1919 to 1920, as State Elder from 1927 to 1928 and in 1933, and as Foreign Minister of Estonia from 1931 to 1932.