Libers by Class
Books of which may be changed not so much as the style of a letter. They represent the utterance of an Adept entirely beyond the criticism of even the Visible Head of the Organization.
Books or essays which are the result of ordinary scholarship, enlightened and earnest.
To be regarded rather as suggestive than anything else.
Official Rituals and Instructions.
Manifestos, broadsheets, epistles and other public statements.