 Although they were avid art collectors , some Song scholars did not readily appreciate artworks commissioned by those painters found at shops or common marketplaces , and some of the scholars even criticized artists from renowned schools and academies . Anthony J. Barbieri @-@ Low , a Professor of Early Chinese History at the University of California , Santa Barbara , points out that Song scholars ' appreciation of art created by their peers was not extended to those who made a living simply as professional artists : 
