Martínez d’Alòs-Moner, Andreu. “John Jeremy Hespeler-Boultbee: A Story in Stones: Portugal’s Influence on Culture and Architecture in the Highlands of Ethiopia 1493–1634”. Aethiopica, vol. 11, no. 1, July 2008, pp. 254-8, doi:10.15460/aethiopica.11.1.168.