Among Mr. Laurence 's other books are " Bernard Shaw : A Bibliography " ( Oxford University , 1983 ) , a two-volume work that is widely considered definitive ; " Shaw 's Music : The Complete Musical Criticism in Three Volumes " ( Dodd , Mead , 1981 ) ; and " Collected Plays With Their Prefaces " ( Dodd , Mead , 1975 ) , which in seven volumes collects famous works like " Pygmalion " and " Major Barbara " with lesser-known entries like " Fanny 's First Play , " the source of the criminal dental scene .