The purpose of this article is to present a commemorative book in honour of Fr. Prof. Tadeusz Krahel. The article emphasises that the jubilee book is a beautiful culmination of his scholarly activity. The book contains the documentation of almost forty years of the jubilarian's publishing activity. It also contains a number of revealing source contributions on the distant and recent history of not only (but especially) Catholicism in the Vilnius region and Podlasie, as well as general views.