[{WikipediaArticle oldid='197930101'}]

%%information
%%(font-size: 80%;)
!!!License Information of Images on page
||Image Description||Credit||Artist||License Name||File
| The Wikimedia Commons logo, SVG version.| Original created by Reidab ( PNG version ) SVG version was created by Grunt and cleaned up by 3247 . Re-creation with SVG geometry features by Pumbaa , using a proper partial circle and SVG geometry features. (Former versions used to be slightly warped.)| Reidab , Grunt , 3247 , Pumbaa| [{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:Commons-logo.svg
| Professor Dr. Friedrich Maassen Grabstätte| Fotografie der Grabstätte| Kluibi (eigene Fotografie)| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Friedrich Maassen.JPG
| Friedrich Maassen (1823–1899)| Almanach der Kaiserlichen Akademie der Wissenschaften. Volume 50, Wien 1900, plate in front of page 365| A. Steininger sc. August Steininger (1873 – before 1937), see: Manfred Neureiter: Lexikon der Exlibriskünstler. book-on-demand.de, 1998, ISBN 3868054626 , p. 420 ( online )| [{Image src='https://www.austria-forum.org/cc/images/slim/publicdomain.png' alt='Public domain' align='center' link='https://www.austria-forum.org/cc/public-domain-10.html' target='_blank'}]| Datei:Maassen, Friedrich (1823-1899).jpg
%%
%%