1. A catalogue of the Portland Museum, lately the property of The Duchess Dowager of Portland Creator: Skinner and Co. (London, England) Published / Created: [1786] Call Number: 49 3902 Image Count: 113 Found in: Lewis Walpole Library > A catalogue of the Portland Museum, lately the property of The Duchess Dowager of Portland, deceased: which will be sold by auction by Mr. Skinner and Co. on Monday, the 24th of April 1786 ...