John Callcott’s musical best seller
A musical grammar in four parts : I. notation, II. melody, III. harmony, IV. Rhythm, by Dr. John Wall Callcott (1766-1821).
London : printed for Robert Birchall, music-seller by B. McMillan, 1817 (3rd ed.)
Printed by B. McMillan, Printer to His Royal Highness the Prince Regent.