<em>Swissair Photo AG: Thônex, 30.06.1969 (LBS_IN-051053-03, <a href="http://doi.org/10.3932/ethz-a-000832561">http://doi.org/10.3932/ethz-a-000832561</a>) oder in sMapshot: <a href="https://smapshot.heig-vd.ch/map/?imageId=28114">https://smapshot.heig-vd.ch/map/?imageId=28114</a></em>