• Georeferencing of aerial photograph of central Athens (1939) from the Greek Military Service (scale: 1:18000) and the map by Curtius, E. & Kaupert, J. A. 1878. Atlas von Athen. Berlin: ΒΙ.ΙΙΙ (scale 1:4000). Shown in transparency on top of modern basemap.
  • Combination of aerial imagery from 1944 (BSA Aerial Photograph Collection - T4.4200) and modern orthophoto (NCMA S.A.).