On line Guitar Museum
Guitars Di Mauro
Guitarbuilders-Luthiers
Guitares Symeon
Bernie Lehmann (Lehmann Guitars)
Roy Eneas (Royal Jazz Guitars)
Gary Zimnicki
Cyril Gaffiero
JB Castelluccia
Boonstra Guitars (not available)
Theo Scharpach
Thijs van der Harst, Luthier
Klaus Röder
Guitares Lebreton
Gerrit van Bergeijk (guitarmaker Noordwijkerhout)
Paul Hostetter (guitarhistory, Maccaferri, etc.)
Leo Eimers
John Le Voi
Ari-Jukka Loumaranta
Maurice Dupont
JWC Guitars (Jeongwoo Cho)
Vox Humana
Stefan Hahl Gitarrenbaumeister