SI-bureau in Vienna. Kéthly (second from the left) and Helmer (third).
SI-bureau in Vienna. Kéthly (second from the left) and Helmer (third).
SI-bureau in Vienna. Kéthly (second from the left) and Helmer (third).
SI-bureau in Vienna. Kéthly (second from the left) and Helmer (third).
creator
type
dateOfPublication
1957, January 1
form
nativeViewer
period
topic
alternateName
Helmer, Oskar.
Kéthly, Anna.
contentUrl
description
SI-bureau in Vienna. Kéthly (second from the left) and Helmer (third).
inLanguage
name
SI-bureau in Vienna. Kéthly (second from the left) and Helmer (third).