News. Leipzig, from Michael 1823 to March 1824, in: Allgemeine musikalische Zeitung, No. 13, 25 March 1824, column 204, Münchner Digitalisierungs-Zentrum
Family tree of the Olek family, created with MyHeritage.com, copy received from Dorota Ciernia on 17.11.2020; original in the possession of the Ciernia/Olek family.