THE BRITISH VIOLIN by John Milnes ed., 2000, isbn 0-9534741-2-7, The catalogue of the 1998 exhibition : 400 years of violin & bow making in the British Isles, Library edition, no 157 of 300
BRITISH VIOLIN MAKERS by W Meredith Morris, 1904, Dictionary of British Violin Makers, first edition
A DICTIONARY OF VIOLIN MAKERS by Cecie Stainer, First published 1896, with a R.G. Hargrave stamp and his Signature
THE CAMBRIDGE MUSIC GUIDE by Stanley Sadie, Alison Latham, 1985, isbn 0521-25946-0
AN EXHIBITION OF MASTER VIOLINS AND ANTIQUE STRINGED INSTRUMENTS, 1958, Catalogue of instruments exhibited at the Leeds Centenary Music Festival
FOUR AND TWENTY FIDDLERS THE VIOLIN AT THE ENGLISH COURT 1540-1690 by Peter Holman, 1993, isbn 0-19-816145-X
THE CAMBRIDGE COMPANION TO THE VIOLIN by Robin Stowell (ed.), 1992, isbn 0521399238, soft bound
Letter: Roger Graham Hargrave (photocopy) (Jul 2 2025) Photocopy of letter by R. G. Hargrave dated July 2 2025