(scroll down to the section titled "Will the Three Halls of Records Be Discovered?")
Here's the text:
Will the Three Halls of Records Be Discovered?
According to the readings, the people of Atlantis became aware of the fact that their civilization was about to be destroyed. As a result, they hid identical records of the Atlantean civilization in Bimini, in Egypt and in the Yucatan. Numerous readings contend that this Hall of Records will be discovered, including:
(Q) Give in detail what the sealed room contains
(A) A record of Atlantis from the beginnings of those periods when the Spirit took form or began the encasements in that land, and the developments of the peoples throughout their sojourn, with the record of the first destruction and the changes that took place in the land…
This in position lies, as the sun rises from the waters, the line of the shadow (or light) falls between the paws of the Sphinx, that was later set as the sentinel or guard, and which may not be entered from the connecting chambers from the Sphinx’s paw (right paw) until the TIME has been fulfilled when the changes must be active in this sphere of man’s experience.
Between, then, the Sphinx and the river.” — Edgar Cayce reading 378-16
(Q) In which pyramid or temple are the records mentioned in the readings given through this channel on Atlantis, in April, 1932?
(A) As given, that temple was destroyed at the time there was the last destruction in Atlantis.
Yet, as time draws nigh when changes are to come about, there may be the opening of those three places where the records are one, to those that are the initiates in the knowledge of the One God:
The temple by Iltar will then rise again. Also there will be the opening of the temple or hall of records in Egypt, and those records that were put into the heart of the Atlantean land may also be found there – that have been kept, for those that are of that group.
I was literally reading about this Hall of Records in one of the Edgar Cayce writings yesterday! It was here: https://edgarcayce.org/edgar-cayce/readings/ancient-mysteries/prophecies-yet-to-come/
(scroll down to the section titled "Will the Three Halls of Records Be Discovered?")
Here's the text: Will the Three Halls of Records Be Discovered? According to the readings, the people of Atlantis became aware of the fact that their civilization was about to be destroyed. As a result, they hid identical records of the Atlantean civilization in Bimini, in Egypt and in the Yucatan. Numerous readings contend that this Hall of Records will be discovered, including:
(Q) Give in detail what the sealed room contains
(A) A record of Atlantis from the beginnings of those periods when the Spirit took form or began the encasements in that land, and the developments of the peoples throughout their sojourn, with the record of the first destruction and the changes that took place in the land…
This in position lies, as the sun rises from the waters, the line of the shadow (or light) falls between the paws of the Sphinx, that was later set as the sentinel or guard, and which may not be entered from the connecting chambers from the Sphinx’s paw (right paw) until the TIME has been fulfilled when the changes must be active in this sphere of man’s experience.
Between, then, the Sphinx and the river.” — Edgar Cayce reading 378-16
(Q) In which pyramid or temple are the records mentioned in the readings given through this channel on Atlantis, in April, 1932?
(A) As given, that temple was destroyed at the time there was the last destruction in Atlantis.
Yet, as time draws nigh when changes are to come about, there may be the opening of those three places where the records are one, to those that are the initiates in the knowledge of the One God:
The temple by Iltar will then rise again. Also there will be the opening of the temple or hall of records in Egypt, and those records that were put into the heart of the Atlantean land may also be found there – that have been kept, for those that are of that group.
The RECORDS are ONE. — Edgar Cayce reading 5750-1