For a basic discussion of these structures, see Bernhard Grdseloff, Das Aegyptische Reinigungszelt (Cairo: French Institute of Oriental Archaeology, 1941); and Grdseloff and Etienne Drioton, review of Grdseloff’s Das Aegyptische Reinigungszelt in Annales du Service des Antiquités de l’Egypte 40 (1941), p. 1008. For examples of these illustrations, see Aylward M. Blackman, The Rock Tombs of Meir, vol. 5 (London: Egypt Exploration Society, 1952), pls. 42–43; see also Reisner and Smith, Giza Necropolis, p. 14 and pl. 3.