Polish publications
Górski Krzysztof Ryszard - People of the Society, Warsaw 2007, ISBN 9788385057710
512 A4 pages, hardcover, inside a list of people decorated by the PTN Main Board with images of medals and decorations, history of circles and branches or a list of members of the Warsaw branch of PTN. Noteworthy is the list of papers delivered at the Warsaw branch of PTN (date, speaker, subject of paper), facilitating the search of materials and information contained therein.