The valuable interior furnishings of Alice and Arnold Kolb at Margaretenstraße 78 in Vienna's 5th district, including works by Josef Danhauser and Carl Schweninger, were listed in 1922 by the

After leaving school, Josef Siller worked in his parents' restaurant, Meierei Siller, at Kaiser-Ferdinands-Platz (since 1919 Schwedenplatz) 3 in Vienna's 1st district, which he took over in 1898. He later opened a hotel there, which was soon became known as "Kleines Sacher".