Marie A. Watson. Fourth Dimensional Consciousness (1921). (Alleged) words of Abdu'l-Bahá, taken from notes from a pilgrimage to Haifa in 1921. Pilgrims.
Marie A. Watson. My Pilgrimage to the Land of Desire (1932). Account of a pilgrimage to Haifa to visit Abdu'l-Bahá in July–August 1921. Pilgrims.
Tips:
Searches match any part of a name: searching for Khan will also return Khanum or p smith will return "Peter Smith".