The Nuttall Encyclopedia
well-watered, thickly-wooded group in the North Pacific, 1400 m. E. of the Philippines and belonging to Spain; produce cotton, indigo, and sugar, but the trade is of little worth; the only town is San Ignazio de Agaña, on the largest island, Guam.
Wood, James, ed. Entry for 'Ladrones'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/l/ladrones.html. Frederick Warne & Co Ltd. London. 1900.