The publication concerns to the friendship and scientific cooperation of Albert Manfred and Victor Daline, outstanding Soviet historians, leaders of the French studies in former USSR in 1960-1970’s. It includes two documents that the author had found in the personal archives of Manfred. One of them is the reference of Daline, written in 1976, on the book of Manfred ”Three Figures of the Great French revolution” and the second is the reference of Manfred, written in 1970, on the two books of Daline (“Gracchus Babeuf Before and During the Great French Revolution” and “Men and Idea’s”), which had been advanced in 1971 to award the Prize of V. Volguine of the Academy of Sciences of USSR.