zu den Filteroptionen
- Uppsala : Almqvist & Wiksells, 1917
- Schodde, George HenryLeipzig : Brockhaus, 1876
- Harden, John MasonLondon : Society for Promoting Christian Knowledge ; New York and Toronto : Macmillan, 1926
- Leipzig : Brockhaus, 1869
- Basset, René ; Institut des Hautes Études MarocainesParis : Leroux, 1923
- Boylston, TomOakland, California : University of California Press, 2018
- Fries, KarlUpsala : Almqvist & Wiksell, 1892