When I read this book which is a comprehensive review of Thoth and is written from a theological perspective, I didn’t find any reference to emerald tablets related to Thoth.
might that be because the Emerald Tablets to which the OP refers was written in 1925?
I just love this 'gem' taken from Book Five, where it would seem that Thoth the Atlantean has hiddden his spaceship underneath the Great Sphinx, until such time as humans are worthy or in need of it!
Raised I to LIGHT,
the children of KHEM.
Deep 'neath the rocks,
I buried my spaceship,
waiting the time when man might be free.
Over the spaceship,
erected a marker in the form
of a lion yet like unto man.
There 'neath the image rests yet my spaceship,
forth to be brought when need shall arise.
Too many episodes of Ancient Aliens, methinks!
Edited: to correct a typo.
Edited 1 time(s). Last edit at 16-Mar-19 15:00 by eyeofhorus33.