Théodule Devéria help Mariette read inscriptions in Cairo and its surroundings. He tried to accurately document the archaeological sites using drawings, stampings and photographs. His calotype pictures from this trip are often poor in quality, showing a lack of technical skills. In 1860 he was appointed preserving assistant at the Louvre's Department of Egyptology. He revisited Egypt in 1861–62, traveling up the Nile to Philae at the First Cataract, and into Nubia to the Abu Simbel temples. After returning he helped Mariette prepare descriptions of the excavation in Egypt in 1850–54 for publication. In November 1864 Devéria met the future oriental scholar
Great and Small Temples of Abu Simbel his chief wife, Nefertari, in very high esteem, and she probably wielded quite a lot of power. Around their legs, smaller statues of their children are shown. Unlike the colossi at the Great Temple, each statue is recessed in its own niche, making it look as if Ramesses II and Queen Nefertari are coming out of the rock. Unlike the Great Temple, the Small Temple has one pillared hall called the square hall that contains six columns supporting the ceiling. Each column is topped with a depiction of Hathor. The dedication of the temple to Queen Nefertari by Ramesses II