 Żenczykowski was the author of many historical works, including two volumes of his historical study on the initial period of communist-ruled Poland in 1944/1945, entitled "Polska Lubelska 1944" ("The Lublin Poland of 1944") and "Dramatyczny rok 1945" ("The Dramatic Year 1945").He was decorated with the Order of the White Eagle.in 1996, as well as the order Virtuti Militari.