The papers consist of correspondence and notes. The correspondence is made up of letters to I︠A︡khontov concerning his memoirs about the Council of Ministers from pre-revolutionary officials, including Vladimir Kokovt︠s︡ev, Pavel Ignatév, and Vsevolod Shakhovskoĭ. The notes are minutes taken at the meetings of the Council of Ministers; these exist as both the original handwritten notes and as typed copies. Finally, there is a brief memoir by I︠A︡khontov concerning World War I, and a printed copy of the announcement by Nicholas II that World War I had been declared.

Collection includes 67 letters and telegrams, by Alexander's older brother Nikolaĭ; 65 letters and notes, some copies, by Nicholas II, from 1902-1913; a drawing and notes by Alexander III; and drafts of letters by Meshcherskiĭ. Also included is a group of letters in different hands hitherto identified as having been written by Nikolaĭ, Duke of Leuchtenberg, to Meshcherskiĭ.