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, in paper case
THE ART OF VIOLIN MAKING by Chris Johnson, Roy Courtnall, 1999, isbn 0 7090 5876 4, soft bound
THE ORCHESTRA AND ITS INSTRUMENTS by Christopher Headington, 1965, isbn 0370008626
THE HISTORY OF THE VIOLIN by E Van Der Straeten, 1933, Volume 1 & 2
VIOLIN MAKING AS IT WAS AND IS by Edward Herron Allen, 1984, isbn 0-7063-1045-4, From 2nd edition, first published 1885, with R.G.Hargrave stamp, with Newark stamp
MUSICAL INSTRUMENTS by Anthony Baines, 1978, isbn 0-11-290263-4, Catalogue of the collection of instruments of the Victoria and Albert Museum Volume 2: Non Keyboard instruments, first published 1968, with signature from Roger Hargrave, soft bound
THE HISTORY OF THE VIOLA VOLUME 1 by Maurice W Riley, 1980, isbn 0 9603150 4 7, with supplement, With inscription by the author to Roger Hargrave
THE HISTORY OF THE VIOLA VOLUME 2 by Maurice W Riley, 1991, isbn 0 9603150 2 0, With inscription by the author to Roger Hargrave
GIROLAMO AMATI I - VIOLA by photos by Jan Röhrmann, 2015, limited edition of 800 copies
Letter: Roger Graham Hargrave (photocopy) (Jul 2 2025) Photocopy of letter by R. G. Hargrave dated July 2 2025