[Lanzenreiter] . [The date can be 1913 according to Oppenheim reference: Reisen 1911 – 1939, Bd. 9: Djebel Abd el Aziz 1913] [Lanzenreiter] . [The date can be 1913 according to Oppenheim reference: Reisen 1911 – 1939, Bd. 9: Djebel Abd el Aziz 1913]