1
Published: Brooklyn, NY : Watch Tower Bible and Tract Society of New York, 2008
DVD
2
DVD
3
DVD
4
Published: Warszawa : Krajowa Agencja Wydawnicza, 1980
Book
5
Published: Berlin : Kongress-Verl, 1960
Book
6
Published: Brooklyn, NY : Watch Tower Bible and Tract Society of New York, 2008
DVD