John Friedrich & Bro. "Rare Old Violins" 1923 Rare Violin Catalogue
Friedrich Dotzauer: 113 Etudes 2: Cello: Instrumental Work
Textbook organ building, organ builder Friedrich Haas 1811-1886 Switzerland
Antique 4/4 Violin Friedrich August Heberlein 1903 #901 Amati copy
MOECK FLUTE FLAUTO DOLCE DESIGN FRIEDRICH VON HUERE JEAN HIACINTH
Abracadabra Saxophone (Pupil's book): The way to learn through songs and tunes (Abracadabra Woodwind)
