His sketchbooks from Morocco are particularly beautiful, they are vibrant and integrated sketches and notations.
A high resolution page is HERE.
From a journal entry dated October 17, 1853:
“I began to make something tolerable of my African journey only when I had forgotten the trivial details and remembered nothing but the striking and poetic side of the subject. Up to that time, I had been haunted by that passion for accuracy that most people mistake for truth.”