Never before heard of Albert Pike. The letter seems like a hoax?
https://safenetforum.org/t/albert-pikes-three-world-war-letter-1871/22051 https://safenetforum.org/t/albert-pikes-three-world-war-letter-1871/22051 https://en.wikipedia.org/wiki/Albert_Pike https://en.wikipedia.org/wiki/Albert_Pike Selected works[edit https://en.wikipedia.org/w/index.php?title=Albert_Pike&action=edit§ion=10] Indo-Aryan Deities and Worship as Contained in the Rig-Veda (1872) Morals and Dogma of the Ancient and Accepted Scottish Rite https://en.wikipedia.org/wiki/Morals_and_Dogma_of_the_Ancient_and_Accepted_Scottish_Rite_of_Freemasonry (1872) Book of the Words (1874) Reprints of Old Rituals (1879)
