A few studies composed by
Johan Teunis Barendregt
(Netherlands, 16.2.1924 - 2.1.1982)
He was an o.t.b. International Master and working at the University of Amsterdam.
More about him can be found at Dutch Wikipedia and in Dutch there is a story by Paul van der Sterren.
(All his studies, more exact dates, possible corrections or cooks and exact details about sources can be found in the
Harold van der Heijden database V (31-12-2015) )