mentioned in this thread is a series of images by R. Crumb of Bllues Musicians He has a similar series (made into a pack of 40 cards) featuring the Pioneers of Country Music.... http://nodepression.com/article/pioneers-country-music-r-crumb-and-yazoo-records ....    http://www.deniskitchen.com/mm5/merchant.mvc?Store_Code=sk&Screen=PROD&Product_Code=TC.RC.PCM .... https://www.bonanza.com/listings/Pioneers-of-Country-Music-Robert-Crumb-cards-1983-in-Original-Box-40-Card-Set/482901870?goog_pla=1&gpid=18283950120&keyword=&goog_pla=1&pos=1o1&ad_type=pla&gclid=CjwKEAjwvr3KBRD_i_Lz6cihrDASJADUkGCaYr2jV527wYJMd0lWuBqNJf1CnT9xh6cdya0ftWa1LBoCjfLw_wcB