Casey, C. (1880). Philitis: being a condensed account of the recently discovered solution of the use and meaning of the Great pyramid ..: To which is added a review of Professor Piazzi Smyth's second edition of "Our inheritance in the Great Pyramid." (5th ed., illus., rev. and enlarged.). Carson Brothers.

Casey, Charles. Philitis: Being a Condensed Account of the Recently Discovered Solution of the Use and Meaning of the Great Pyramid ..: To Which Is Added a Review of Professor Piazzi Smyth's Second Edition of "Our Inheritance in the Great Pyramid.". 5th ed., illus., rev. and enlarged. Carson Brothers, 1880.