Songs--United States--20th Century; Popular Music--United States
Cover: photo of James Barton, a Caucasian male in blackface; cartoon drawings satirizing ideas such as ""taxi drivers never cheat"" or ""landlords never raise the rent""
Recent archeological research offers revolutionary insight about the precursor of abstract counting and pictographic as well as ideographic writing. This precursor was a data processing system in which simple (and later complex) clay tokens of...