Table for the 9 triples with object "139" on predicate ns2:opus sorted by label

Subject	Predicate
?:"Des Sängers Fluch"	ns2:opus
?:Études (Übungstücke, or 31 Easy Exercises)	ns2:opus
?:Holy Cow for piano solo	ns2:opus
?:"March of the Soviet Militia"	ns2:opus
?:Six Children's Songs for voice and piano	ns2:opus
?:"Valse gaie"	ns2:opus
?:"Ventiquattro Lezioni"	ns2:opus
?:Violin Sonata #9 in C minor (1915)	ns2:opus
?:"Violin Sonata no. 9"	ns2:opus