The materials relating to M.A. Lavrov include his diaries (which describe a round-the-world sea voyage he made in 1825-1827 with F.P. Vrangel)́, and an essay about him by Dmitriĭ N. Tikhobrazov. The materials concerning Adrian M. Lavrov include his diaries from the 1864-1906 period, and excerpts from letters to his wife. The M.A. Lavrov diary is dated 1892 and concerns his service as an Imperial page.