1To John Adams from Louisa Catherine Johnson Adams, 13 July 1820 (Adams Papers)
Having observed in the papers that the reason assigned for your declining to accept the invitation on the 4h. was on account of indisposition Mr. Adams and myself are anxious to hear from you and to be assured that it was rather the dread of over fatigue than real indisposition which caused your refusal to attend. It would have been altogether improper to make such an exertion and I rejoice...