2 ALS to Martha Davidson; Alnwick Castle and Northumberland House, 1806, 1808 Box 2, Folder 88 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…
2 ALS to Martha Davidson; Clifton, 1789 Oct 6, n.d. Box 1, Folder 5 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…
2 LS to William Lowes; Northumberland House, 1774 May, Jun Box 1, Folder 14 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…
2 mounted covers to "Earl Percy," Alnwick and [n.p.], [180?], n.d. Box 2, Folder 106 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…
4 ALS to Martha Davidson, 1808-1817 Box 2, Folder 86 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…
ALS and cover to Thomas Davidson; Northumberland House, 1817 May, Jul Box 1, Folder 58 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…
ALS fragment to Thomas Davidson; London, 1814 Sep 26 Box 1, Folder 38 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…
ALS (fragment) to Thomas Davidson; London, 1815 Jun 12 Box 1, Folder 44 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…
ALS in third person to Thomas Davidson, [1783?] Oct 4 Box 1, Folder 11 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…
ALS in third person to Thomas Davidson; Forcett, n.d. Box 1, Folder 85 Bookmark Collection Context Yale University -Beinecke Rare Book and Manuscript Library Percy family papers, 1760-1822…