In 1873, the company won the highest awards at the Vienna Exhibition, and in 1876, at the Philadelphia Centennial, Walter Baker chocolate and cocoa won the highest awards.
In 1873 he visited the Vienna Exhibition to study the boiler and engine designs exhibited there.
This brought first prize at the Vienna Exhibition of 1873.
After the Meiji restoration, in 1872 the land became the headquarters of the secretariat charged with preparations for the Vienna Exhibition of 1873.
He organized the Chinese contribution for the Vienna Exhibition of 1873, for which the Austrian government awarded him the Order of the Iron Crown.
He took part with some success at the Brera exhibitions and the Vienna Exhibition of 1873.
He exhibited his products at Exhibitions in both the old and new worlds, and won an award at the Vienna Exhibition in 1873.
War Material at the Vienna Exhibition, ' pamphlet, 1873.
Fajans won prizes at the International Photographic Exhibition organized in 1865 in Berlin and, in 1873, at the Vienna Exhibition.
Jewish Museum Vienna, Exhibition Catalog 2007 (together with Felicitas Heimann-Jelinek and Lothar Hoelbling).