George Grove 
Dictionary of Music and Musicians [PDF ebook] 

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The music thus written was barred not altogether according to modern ideas, but on the whole fairly systematically. Time-signa tures were common, but not by any means invariable, some printers always ignoring them. The tablature was further complicated by signs for left hand fingering (sometimes right hand.