The Nuttall Encyclopedia
A town of Mexico, capital of an inland province of the same name, 440 m. NW. of Mexico City; a great silver-mining centre, an industry which employs over 10,000 of the inhabitants; it is in a valley over 6000 ft. above the sea-level, and has several fine churches, a college, a mint, &c.
Wood, James, ed. Entry for 'Zacate`cas'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/z/zacatecas.html. Frederick Warne & Co Ltd. London. 1900.