I know you must be desperate especially if you've got something good written about it but if you look on images there are thousands of his cartoons and they are all about the inner self really. I'm sure you could find something great and then slightly adapt the stuff you've got which will be better anyway cause it will be really unique
you can do it
cheers
Neone heard of it? can u tell me where to find it? also, i need the year of publication