Historical clue formulations

• "Ad Parnassum" and "Fish Magic," for two — 2021-02-07
• Paintings such as "Cat and Bird" and "The Goldfish" — 2018-04-20
• Some German/Swiss artworks in MoMA — 2014-05-12
• "Fish Magic" and "Viaducts Break Ranks" — 2009-09-17
• "Fish Magic" and "Twittering Machine" — 2007-06-10