2020, Vanessa Davies, Dimitri Laboury,The Oxford Handbook of Egyptian Epigraphy and Palaeography, page611:
Regarding the ranges of these palaeographic areas, the terms mentioned might again be misleading to a nonadept, who, for example, has to know that the Delta is mostly uncharted territory in regard to Demoticpalaeography (due to the lack of sources from this area).
