Some studies of 188 composed by

Jaroslav Pospíšil 

(Czechslovakia, 5.5.1934)

Some more information about him ChesscomposersBlogspot and Wikimedia

 

(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) ).