J. T. McCleary, Studies in Civics
“ An elective monarchy is one in which the succession is by election; the term for life; example, the old German empire, in which the emperor was chosen by certain princes called "electors." [Footnote: Our mode of electing a president may have been suggested in part by this old practice.] An absolute monarchy is one in which the three functions of government as related to law—the legislative, executive and judicial—are all vested in one person ”
