The Secret of Numbers RevealedCatherine Yronwode, Dr. Roy Page Walton, Lewis de Claremont, Godfrey Spencer, Frank Householder, Charles M. Quinlan;Unknown;nagasiva yronwode · First published 2019Open the Tome
Four Basic Principles of NumerologyFrank Householder · First published 1921 · Latest edition 2003Open the Tome
