found: Timm, U. Morenga, 1978 (subj.)t.p. (Morenga) p. 35 (Jakob Morenga) p. 387-392 (d. 9/19/07)
found: GFR 78-A(Morenga)
found: Grosse Brockhaus(Morenga, Jakob, Hottentottenführer, d. 1907)
found: Masson, John. Jakob Marengo, 2001:p. iv (German writers, followed by English-speakers, gave surname as Morenga; his son used spelling Marengo; additional variant Marenga)
found: Curson, P. H. Border conflicts in a German African colony, 2012:title page (Jakob Morengo) page 56 (one of the heroes of Namibia's struggle against German colonial power in the early 20th century; of Herero-Nama parentage; spoke English, German, Afrikaans and the Herero and Nama languages; in many official German documents, referred to as Jakob Morenga)
notfound: Encycl. Brit.