Columbia subject headings:
Astronomical clocks--History.
Biblioteca apostolica vaticana.
Facini, Bernardo, active 18th century.
Harvard subject headings:
Astronomical clocks--History.
Biblioteca apostolica vaticana.
Facini, Bernardo, active 18th century.
Princeton subject headings:
Astronomical clocks--History--18th century.
Dorotea Sofia, Duchess, consort of Francesco I Farnese, Duke of Parma and Piacenza, 1670-1748.
Facini, Bernardo, active 18th century.