Biographical Dictionary "The Temple of My Heart..." was first published in "Readings of the Moscow Society of Russian History and Antiquities" in 1872-1874. This reprint was made from a separate edition of P. I. Bartenev in 1890, which he also placed in the appendix to eight issues of the journal "Russian Archive" for 1890. Here the material is reproduced from the manuscript of 1818, but arranged in alphabetical order, unlike the previous ones, where it is placed chronologically. The dictionary is not replete with accurate biographical data, it is rather a memoir, where the prince talks about his everyday impressions. It presents people who made up the best, educated society of the second half of the 18th and early 19th centuries. Among them are Masons: N. M. Karamzin, I. M. Muravyov-Apostol, M. M. Kheraskov and others. The moral and artistic attitude of "Kapishcha" provides rich material for a historical understanding of the management of Russia. It describes the bureaucratic intrigues of both Freemasons and persons not involved in secret societies, but rotating in higher circles. Their ideological attitudes, kinship ties, connections, addictions, sympathies and antipathies often influenced the adoption of important government decisions.