Warwick William Wroth, Dictionary of National Biography… (1887)
“ He estimated that, excluding rare or curious books, 'every requisite help for the critical use of a scholar [in Greek and Latin] may be contained in a library of from six to seven hundred volumes.' Clinton is also said to have had a very accurate knowledge of history, and to have been well read in English and other literatures. He invariably devoted Sunday to the study of theology. He was a firm believer in a revealed religion; and his literary journals constantly record (in Latin or Greek) some fervent prayer or thanksgiving in connection with his classical studies. ”
