@book{Boehme, author = {Boehme, J.}, title = {Vom {\"u}bersinnlichen Leben, Berlin (Johannes Baum Verlag) 1920.}, language = {de} } @book{Boehme, author = {Boehme, J.}, title = {Six theosophic points and other writings, Michigan (The University of Michigan Press) 1958.}, language = {en} }