This series consists of 73 letters written either by or to (often between) members of the family, 1804 to 1868. There is one letter by William Harris Crawford (to his wife Susanna, 7 May 1833), and there are 8 directed to him. Most of the remaining letters were written by or to Crawford's children: Caroline (b. 1805); Eliza Ann (b. 1809); William Jr. (b. 1813); Susan (b. 1819); and Bibb (b. 1821).