This article completes the publication of the «Memories of Mineralogists» of the repressed Professor A. Ya. Mickey, found by the author in the Professor D. P. Grigoriev Archive, kept in the Russian Mineralogical Society. From the correspondence the motivations and life circumstances in which the texts were written become clear. A. Ya. Mickey’s letters are deciphered, attributed and briefly commented. The relevance of the article lies in the need to uphold the priorities of Russian science. The aim of the work is to cover as fully as possible the professional activities of repressed mineralogists as an important component of the history of Russian science. Mention of I. M. Beznarytny, A. K. Boldyrev, P. V. Bryantsev, V. I. Vernadsky, P. Groth, S. A. Zaborovsky, V. A. Zilbermints, L. L. Ivanov, E. P. Kastner, V. I. Kryzhanovsky, E. K. Lazarenko, N. I. Lebedev, A. V. Nechaev, I. I. Tanatar, V. V. Tikhomirov, E. K. Ustiev, N. M. Fedorovsky, G. K. Feldman, A. E. Fersman, P. N. Chirvinsky, and I. I. Shafranovsky should attract the attention of readers. Attention is drawn to the importance of personal archives in the study of the history of science. The of Professor D. P. Grigoriev Archive in letters and other documents reflects several decades of the pre-war and post-war history of Russian mineralogy.