Autograph Letter Signed ‘Jane Porter’, to Miss Cathcart in Clifton, inviting her “to square the circle” at a dinner party for four which is to include Miss Burr, “an amiable and esteemed young lady & friend of my Brother’s since her childhood”. 4 pp. 4½ x 3½ inches, in good condition, with the separate franked envelope front neatly laid down. Portland Square, 14 June 1846. Jane Porter (1776-1850), novelist, author of The Scottish Chiefs (1810).