The viola da gamba yesterday and today - Schenck, Johann 1656-1712; Schenck, Johann 1656-1712; Schaffrath, Christoph 1709-1763; Schaffrath, Christoph 1709-1763; Loeb, David 1939-; Loeb, David 1939-; Loeb, David 1939-; Loeb, David 1939- (Gasparo, 1980)