The Middle of the Earth, Allen Austin, pp. 118, Xulon Press, 2011, ISBN 978-1-61215-912-6, ... Arab genealogies usually ascribe the origins of the Qahtanites to the South Arabians who built up one of the oldest centres of civilisation in the Near East beginning around 800 BC ...
Arabian poetry for English readers, William Alexander Clouston, pp. 21, McLaren and Son (Printer), 1881, ... Those descended from Qahtan are called 'al-Arabu:l-ariba, genuine or pure Arabs (some authors, however, consider the old lost tribes as the only pure Arabs) ; those from 'Adnan, 'al-'Arabu-'l-musta'riba, naturalised or insititious Arabs ...
