Abd-el-Kader or Abd al-Qadir, an Algerian Islamic scholar, Sufi, political and military leader.
unknown (one of many authors of Nordisk Familjebok)
between 1904 and 1926 <div style="display: none;">date QS:P,+1950-00-00T00:00:00Z/7,P1319,+1904-00-00T00:00:00Z/9,P1326,+1926-00-00T00:00:00Z/9</div>
Nordisk familjebok, 2nd edition (1904–1926). Scanned page at <a rel="nofollow" class="external free" href="http://runeberg.org/nfba/0025.html">http://runeberg.org/nfba/0025.html</a>