The Priceless Pearl, Ruhiyyih Khanum, p105
. . . I assure you, dearest Martha that wherever you be, in Scandinavia, Central Europe, Russia, Turkey or Persia, my fervent and continued prayers will accompany you and I trust that you may be protected, strengthened and guided to fulfil your unique and unprecedented mission as the exemplary advocate of the Bahá'í Faith.
1927-03-XX assuring Martha of prayers wherever she goes-Scandinavia, Central Europe, etc