i. 20 August 1806 - Vienna - (To Hunneman.) Account of his travels. Wants some paintings auctioned in London. (German).
ii. 28 September 1808 - Vienna - (To Hunneman.) Auction of Truchsession Gallery Jewels.
i. 20 August 1806 - Vienna - (To Hunneman.) Account of his travels. Wants some paintings auctioned in London. (German).
ii. 28 September 1808 - Vienna - (To Hunneman.) Auction of Truchsession Gallery Jewels.