|Philby,The background of Islam: Being a sketch of Arabian history in pre-Islamic timesWhitehead Morris Alexandira, Egypt ; 1st edition January 1 1947 p||Roman sources still bore the clear image of a wealthy and prosperous people living in a splendid country, but devoid of fundamental qualities such as the ability to fight|
|Strabo's close relationship with Aelius Gallus led him to attempt to justify his friend's defeat in his writings||Le Museon, 3-4, 1953, P|
Conti Rossini, Carlo, Chrestomathia Arabica meridionalis epigraphica edita et glossario instructa 1931 Pubblicazioni dell'Instituto per l'Oriente p.8
|Philpy, Motor Tracks And Sabaean Inscriptions In Najd, Geogr Journal, 1950, 211-215, A||Most of the information about south Arabia reported by Strabo probably came straight from the Roman expedition|
|Huntington, IN: Our Sunday Visitor Publishing||Strabo described the custom in south Arabia which permitted women to have many husbands provided they were all brothers|
Beeston Some Observations on Greek and Latin Data Relating to South Arabia in Bulletin of the School of Oriental and African Studies, University of London, Vol.