The Nuttall Encyclopedia
Shut in), department in the SE. of France; chief industries agriculture, silk-weaving, pottery, &c., and with a village of the name, 19 m. E. of Avignon, famous for its fountain and as the retreat of Petrarch for 16 years.
Wood, James, ed. Entry for 'Vaucluse'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/v/vaucluse.html. Frederick Warne & Co Ltd. London. 1900.