Panorama photograph of the excavation site in Olympia by the Greek photographers Romaidis taken at the end of the first campaign and published in the first results of the excavation: Ernst Curtius, Friedrich Adler, Gustav Hirschfeld; Die Ausgrabungen zu Olympia I. Uebersicht der Arbeiten und Funde vom Winter und Fruehjahr 1875 - 1876, Berlin 1876, pl. 4-5