In a message dated 4/2/03 5:45:42 AM Pacific Standard Time, [log in to unmask] writes:

Didn't Eliot himself somewhere regret for the mad
goose chase for the holy grail his notes to wasteland
led to?  I am somehow reminded of it !

He frequently passed them off in his old age.  The irony being that he invented them as filler for the "book length" publication of TWL.