Grützmacher

Gruetzmacher, F: Technology of Violoncello Playing, Op.38. Twenty-four Etudes for Violoncello solo

Grutzmacher, F: 24 Studies Op.38 Vol.1

Gruetzmacher, F: Elite Etude

in the Style of Jean-Louis Duport

Gruetzmacher, F: Daily Studies op. 67

Grutzmacher, F: 24 Studies Op.38 Vol.2

Friedrich Grützmacher: 24 Studi Op.38 - Libro II (Pais)

Grutzmacher, F: 12 Studies for Beginners Op.72. Vol.1

Friedrich Grützmacher: 10 Morceaux en Style national, op. 9, Teil 1

Grützmacher, F: Daily Studies Op 67

Friedrich Grützmacher: Etudes, Op. 38