| rok = 1966
| strony = 21
}}</ref> Once, he made efforts to open a ``Museum of the Proto-History Prehistory of Communism" it what he maintained was a newly discovered former Calvinist church, until it turned out that it hadn't been a church, but a synagogue.<ref> {{Cyt
| tytuł = Internetowy Polski Słownik Biograficzny
| wydawca = Instytut Historii PAN