 Kopecký had used marionettes, with height up to 60 cm.In 1862, a collection of 61 plays was published by Josef Richard Vilímek under the title "Comedies and plays by Matěj Kopecký as collected by his son Václav" ("Komedie a hry Matěje Kopeckého dle sepsání syna Václava").Several people, among them Václav Thám, are listed as authors of the plays.