Tolkien gave his son absolute and explicit permission to do with his unpublished papers whatever he saw fit. That includes finishing his works, editing his works, combining them or destroying any part of them, for any purpose whatsoever.
I GIVE my library and all my manuscripts typescripts notes and all other articles connected with my work as an author (hereinafter together referred to as "my literary assetsassets") to my Trustees upon the following trusts that is to say:
(a) Upon trust to allow my son Christopher full access to the same in order that he may act as my Literary Executor with full power to publish edit alter rewrite or complete any work of mine which may be unpublished at my death or to destroy the whole or any part or parts of any such unpublished works as he in his absolute discretion may think fit and subject thereto
(b) Upon trust to deliver to my son Christopher such parts of my library as he may select for his own use and benefit within one year of my death and subject thereto
