See also Warburg + Cornell in this journal.
"Yet if this Denkraum , this 'twilight region,' is where the artist and
emblem-maker invent, then, as Gombrich well knew, Warburg also
constantly regrets the 'loss' of this 'thought-space,' which he also
dubs the Zwischenraum and Wunschraum ."
— Memory, Metaphor, and Aby Warburg's Atlas of Images ,
Christopher D. Johnson, Cornell University Press, 2012, p. 56
