<em>Comet Photo AG: Nationalstrasse N13/Autobahn A13, St. Margrethen, Anschluss, Blick nach Süden (S), 14.12.1964 (Com_F64-04494, <a href="http://doi.org/10.3932/ethz-a-000263960">http://doi.org/10.3932/ethz-a-000263960</a>)
<em>Comet Photo AG: Nationalstrasse N13/Autobahn A13, St. Margrethen, Anschluss, Blick nach Süden (S), 14.12.1964 (Com_F64-04494, <a href="http://doi.org/10.3932/ethz-a-000263960">http://doi.org/10.3932/ethz-a-000263960</a>)
