7th (1934) – YUGOSLAVIA (Beograd)
6th (1932) – THE NETHERLANDS (Amsterdam)
5th (1930) – HUNGARY (Budapest, Debrecen, Tihany)
4th (1927) – ITALY (Rome, Napoli, Perugia, Milan)
3rd (1925) – Leningrad, Moscow, Saratow, & Astrachan
2nd (1923) – AUSTRIA (Innsbruck)
1st (1922) – GERMANY (Kiel)