Rare Photographs of Justin McCarthy and Elijah Pierce 1972 at the Pennsylvania Academy of Fine Arts Two Man Show
19th Century Folk Art Drawing "Group of Birds" by J.W. (Job Wagner) Pencil on Ruled Paper collection Dull Tool Dim Bulb
Knight Foundation The Wayne State University Collection For art and artists(blog) University of Michigan Museum of Art
HERE and another book on the artist is HERE along with work at the Downing-Gross Cultural Arts Center HERE. LOTS of pictures.