found: Gagliardi, M. F. Der Zauberfisch, 1966
found: L'arte racconta, 2011:p. 10 (Štěpán Zavřel, artist, b. 1932 in Prague; d. Feb. 1999 in Rugolo, Italy)
found: Ukradený Ježíšek, 1988:title page (... Stěpána Zavřela) page (illustrator)
found: Wikipedie, otrevřená encyklopedie, April 10, 2017:Štěpán Zavřel page (Štěpán Zavřel; born 25 December 1932 in Prague; died 25 February 1999 in Rugolo; Czech illustrator, animator, graphic artist, painter, and author; emigrated to Italy via Albania in 1959; literary works in German) - https://cs.wikipedia.org/wiki/%C5%A0t%C4%9Bp%C3%A1n_Zav%C5%99el