The Nuttall Encyclopedia
An Ethiopian race occupying the S. and E. of Abyssinia, energetic, intelligent, and warlike; follow mostly pastoral occupations; number over four millions, and are mostly heathens.
Wood, James, ed. Entry for 'Gallas'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/g/gallas.html. Frederick Warne & Co Ltd. London. 1900.