Since its first edition, in 1964, Dixon and Godrich's Blues and Gospel Records has been dubbed 'the bible' for collectors of pre-war African-American music. It provides an exhaustive listing of all recordings made up to the end of 1943 in a distinctively African-American musical style, excluding those customarily classed as jazz (which are the subject of separate discographies). The book covers recordings made for the commercial market (whether issued at the time or not) and also recordings made...