Johann Georg von Dillis art links 

Johann Georg von Dillis: Landscape with Mts. Herzogstand and Heimgarten, ca.1800
Source: Wikimedia Commons (see "image archives" below)

Original works by Johann Georg von Dillis available for purchase at art galleries worldwide
 
 

Johann Georg von Dillis at the National Gallery of Art, Washington D.C.
Waterfalls in a Mountain Forest, 1797

Neue Pinakothek, Munich, Germany

Harvard University Art Museums, Massachusetts

Kunstmuseum Basel, Switzerland
Alphabetically under "D"

Lenbach House, Munich, Germany (in German)  
Artworks from the site's databank: Select the artist in the "Künstler" column

The Albertina Graphic Art Databank, Vienna (in German)   NEW!  

 

Johann Georg von Dillis at The Athenaeum  
3 works online

Wikimedia Commons Image Database  

Bildindex der Kunst und Architektur (in German)  
(a welcome screen is displayed for a couple of seconds before the search results appear)

 

Artarchiv Sample Artist Signatures
Scroll down to signature 62

 

Grove Dictionary of Art Online (excerpt)  

Union List of Artist Names (Getty Museum)  
Reference sheet with basic information about the artist and pointers to other references.