A few links
that might be of interest to you:
publisher of the book "Maxon's Poe", display and sell
original artwork by Maxon Crumb. CrumbProducts
sell signed prints, books and more by the whole Crumb family,
including Maxon. A very nice fan page with a lot of rare
Maxon Crumb artwork is Beatup.com.
More scans of Maxon's pictures can be found in the Maxon
Crumb Gallery of Another
Robert Crumb Page as well as information on the Crumb
Family Comics, a book edited by Maxon Crumb. Bill
Delaney's Place features scans of Maxon Crumb's artwork,
too, as well as a photograph of Maxon.
Of course there
are many more Crumb pages on the net, most of them dedicated
to Maxon's famous brother, Robert Crumb. Try Looking
for Crumb? for its huge and up-to-date collection of links
and lots of scanned pictures, Uncle
Carl's R. Crumb Pages for the latest Crumb info, and Another
Robert Crumb Page for artwork galleries, book reviews, a
Crumb forum etc.