@incollection{UBHD-68662648, author={Strube, Julian and Kr{\"a}mer, Hans Martin}, title={Introduction}, year={2020}, pages={1-26}, language={eng}, isbn={978-1-4384-8041-1 and 978-1-4384-8042-8}, booktitle={Theosophy across boundaries}, editor={Kr{\"a}mer, Hans Martin and Strube, Julian}, }