Representation of Deities of the Maya Manuscripts. E-book. Formato PDF Paul Schellhas   -  Forgotten Books, 2017  - 

Since the first edition of this pamphlet appeared in the year 1897, investigation in this department of science has made such marked progress, notwithstanding the slight amount of material, that a revision has now become desirable. It can be readily understood, that a new science, an investigation on virgin soil, such as the Maya study is, makes more rapid progress and develops more quickly than one pertaining to some old, much explored territory.