Albert Mackey's revered works on Masonic history, law and symbolism are considered the classics of the 1800's. In this work, Albert Mackey explains the various symbols used in Masonic teaching and provides indispensable Masonic education to all students of Freemasonry. This work should be considered required reading for all Freemasons. Photographic reproduction of the 1869 edition. 2020 foreword by Michael R. Poll.