High End Used Acoustic Guitars - Daniel Friederich Guitars
Hommage to Daniel Friederich (1932-2020): 10 Daniel Friederich guitars in one video - YouTube
Daniel Friederich – 1965 on OhGuitar.com
Due to arrive and already on hold 1989 No 653 Daniel Friederich : join the Daniel Friederich seeker list – Classical concert guitar
Daniel Friederich - 1978 at SICCAS GUITARS - The world's finest guitars in one place
Luthier Guitars - fine handmade classical guitars by guitar makers - Die Zupfgeige - Guitars and Guitar Workshop - Specialist shop for classical and acoustic guitars
Daniel Friederich – 1965 on OhGuitar.com
Ennio Giovanetti – 2022 “Daniel Friederich 1980s” on OhGuitar.com
Orfeo Magazine #2 - English edition - Autumn 2013 by ALBERTO MARTINEZ - Issuu
Hommage à Daniel Friederich - Vichy Enchères
Luthier Daniel Friederich | GSI
Daniel Friederich, Luthier - 5 Minute Trailer - YouTube
Daniel Friederich - 1963 at SICCAS GUITARS - The world's finest guitars in one place
Daniel Friederich 1961 - Classical Guitar - Galerie des Luthiers
Daniel Friederich – 1965 on OhGuitar.com
Daniel Friederich 1976 cedar No. 428 – France – Classical concert guitar
1986 Daniel Friederich copy - Classical Guitar
Daniel Friederich 1975 - Classical Guitar - Galerie des Luthiers