Gnaedinger, John P. "Proposed Hypothesis, Testing and Documentation, and Actions to be Taken for the Conservation of the Sphinx." In Khaled Daoud & Sawsan Abd el-Fatah, eds. The World of Ancient Egypt. Essays in Honor of Ahmed Abd el-Qader el-Sawi. Supplément aux Annales du Service des Antiquités de l'Égypte, no. 35. Cairo: Supreme Council of Antiquities, 2006, pp. 113-120.

Individual - Modern: Mark Lehner American   Individual - Modern: Zahi Hawass Egyptian   Publisher: Supreme Council of Antiquities   Editor: Sawsan Abd el-Fatah Egyptian   Author: John P. Gnaedinger   Editor: Khaled Daoud Egyptian