<a href="https://en.wikipedia.org/wiki/Helena_Petrovna_Blavatsky" class="extiw" title="en:Helena Petrovna Blavatsky">Helena Petrovna Blavatsky</a> (1831-1891)
unklar
1889, London
Журнал <a rel="nofollow" class="external text" href="http://www.roerich-museum.ru/rus/publishing/katalog/04.php?PHPSESSID=efbc2ac3a4308fbc36a204cc248c7370">"Культура и время"</a>