Vol. CXCIX, 14 Apr.-20 May 1841. Count Alexander Christoph Benckendorff,; eldest son of General C Benckendorff: Correspondence with his sister, Princess Lieven: 1806-1843, n.d.: Fr.
Vol. CXCVIII, 1841-1843. Count Alexander Christoph Benckendorff,; eldest son of General C Benckendorff: Correspondence with his sister, Princess Lieven: 1806-1843, n.d.: Fr. includes: f. 28 Maria Shevich, née Benckendorff; widow of Lieutenant -General I I Shevich: Letters to her sister, Pri...
Vol. CXCVII, 1806-1840 Count Alexander Christoph Benckendorff,; eldest son of General C Benckendorff: Correspondence with his sister, Princess Lieven: 1806-1843, n.d.: Fr. includes: ff. 4, 40 Count Alexander Christoph Benckendorff,; eldest son of General C Benckendorff: Correspondence, etc....