Howe, Ellic. Fringe Freemasonry in England 1870–75. Originally published in Ars Quatuor Coronatorum 85 (1972). "In 1869 almost ten years had passed since Grand Lodge issued its warning that the Rite of Memphis was irregular."
Grand Lodge of British Columbia and Yukon, The Antient and Primitive Rite of Masonry(online), accessed 20 June 2015