The Songs of Innocence and of Experience Songbook may be downloaded here (zip file, 50MB).
The songbook (published 1993) contains words, melodies and chords to all 45 songs, of which 24 have been recorded for the CD, including:
THE DIVINE IMAGE
TO TIRZAH
INFANT SORROW
THE SICK ROSE
THE SCHOOL-BOY
MY PRETTY ROSE TREE
A POISON TREE
A LITTLE GIRL LOST
A LITTLE BOY LOST
LAUGHING SONG
THE LAMB
INTRODUCTION, SONGS OF INNOCENCE
THE HUMAN ABSTRACT
THE GARDEN OF LOVE
THE FLY
A DREAM
THE CLOD AND THE PEBBLE
LONDON
THE TYGER