Frank B. Robinson's New-Thought religion, Psychiana, flourished in the early to mid 20th century. Here is his 20-part mail-order advanced study course for inspiration, self-improvement, and religious revelation.
"His teachings were New Thought all the way through -- New Thought ideas proclaimed in highly dramatic fashion, designed to catch and hold attention, and New Thought techniques through the employment of which health, well-being, prosperity, peace, happiness -- all the proper heritage of man -- might be achieved..." -- Charles S. Braden, Spirits in Rebellion: The Rise and Development of New Thought in America