П.Хубер неверно датирует его заведование с 1921 г. (См. Peter Huber. The Cadre Department, the OMS and the «Dimitrov» and «Manuil'sky» Secretariats during the Phase of the Terror.- Centre and Periphery. The History of the Comintеrn in the Light of New Documents (edited by M.Narinsky and Surgen Rojaher). International Institute of Social History. Amsterdam. 1996. P.149).
