Yarde, Doris M. Sarah Trimmer of Brentford and her Children, with Some of her Early Writings 1780-1786. Hounslow and District History Society. 35
Porter, Jane. Duke Christian of Luneburg. Longman, Hurst, Rees, Orme, Brown, and Green, http://U of A, Special Collections. title-page
Porter, Jane. Duke Christian of Luneburg. Longman, Hurst, Rees, Orme, Brown, and Green, http://U of A, Special Collections. 1: v-viii