Analysis of information sources in references of the Wikipedia article "Lake Mariout" in English language version.
Now this class of persons may be met with in many places, for it was fitting that both Greece and the country of the barbarians should partake of whatever is perfectly good; and there is the greatest number of such men in Egypt, in every one of the districts, or nomes, as they are called, and especially around Alexandria; and from all quarters those who are the best of these therapeutae proceed on their pilgrimage to some most suitable place as if it were their country, which is beyond the Maereotic lake.