Boris together with his father Mikhail Krivoshapkin at the Evening of the Society of Filisters of Fraternitas Arctica
Boris together with his father Mikhail Krivoshapkin at the Evening of the Society of Filisters of Fraternitas Arctica at the Officers' Club (Krišjāņa Valdemāra street 5. The building did not survive). 13th of January 1936.







