Bogdanov, Nikolai Nikolai p.; Bulkin, Nikolai Nesteri p.; Grafov, Vassili Jaani p.; Jürgenson, August Hansu p.; Meiner, Mihkel Mihkli p.; Potapov, Sergei Kirilli p.; Silberberg, Alfred Johannese p.; Silberberg, Karl Johannese p.; Vihrov, Pavel Nikolai p.
Date: 1926-04-16-1926-06-01