[{WikipediaArticle oldid='209802903'}]

%%information
%%(font-size: 80%;)
!!!License Information of Images on page
||Image Description||Credit||Artist||License Name||File
| Memorial plaque to Johann Otto Haas| Eigenes Werk| GuentherZ| [{Image src='https://www.austria-forum.org/cc/images/slim/by-sa.png' alt='CC BY-SA 3.0' align='center' link='https://www.austria-forum.org/cc/by-sa-30.html' target='_blank'}]| Datei:Wien20 Winarskystraße018 2018-11-10 GuentherZ GD Haas TafelB 0011.jpg
%%
%%