Roy Courtnall Summerfield (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Roy Courtnall Summerfield" in English language version.

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chrisjohnsonviolins.co.uk

Johnson, Chris. "Chris Johnson - Violin maker". Chris Johnson - Violin maker. Retrieved 2 March 2017.

Lecture given by Courtnall Summerfield at Leicester MusicFest, 12 February 2018.

"Musical Instrument Craft | Lincoln College". www.lincolncollege.ac.uk. Retrieved 12 December 2017.

Roy., Courtnall (2000). La fabrication des guitares classiques : méthode espagnole. Dourdan: Vial. ISBN 978-2851010339. OCLC 407424925.
Meikingu masuta gita : Gita no meiki to sono seisakuho shosetsu. Courtnall, Roy., Takigawa, Katsuo., 滝川, 勝雄. 現代ギター社. November 2003. ISBN 978-4874713587. OCLC 959782255.{{cite book}}: CS1 maint: others (link)
Xiao ti qin zhi zuo yi shu. Yue han xun., Kao te nuo er., Jiang he fan., Jiang yun., 约翰逊., 考特诺尔. Bei jing: Ren min yin le chu ban she. 2003. ISBN 9787103025925. OCLC 301895868.{{cite book}}: CS1 maint: others (link)