The work with the catalogue raisonné never ends.
After some newly made research three missing works on paper by Heinz Trökes were found at the Staatsgalerie Stuttgart.
“HELLE NACHT” (Bright Night), 1952
“ERD- UND WASSERSCHEIDE” (Earth- and Watershed), 1961
“ZERSTÖRENDES FEUER” (Destroying Fire), 1964
See also the Digital Catalogue of the Staatsgalerie Stuttgart -> go search Trökes