Citation
"Retreat of the Apostles, Monument in the Valley of Jehosphat, and cut in the Rock.--Present state of the Edifice, which can be approached only by climbing the Steep Rocks. (Pierre Gabriel Berthault)(After Louis-François Cassas) , M23730.3.35,” Harvard Art Museums collections online, Nov 05, 2024, https://hvrd.art/o/193872.