https://imslp.org/wiki/Violin_Sonata_No.1_(Feht,_Alexander)
Violin Sonata No.1 (Feht, Alexander) - IMSLP
violin sonata no 1fehtalexanderimslp
https://imslp.org/wiki/Violin_Sonata_No.1,_Op.10_(Le_Beau,_Luise_Adolpha)
Violin Sonata No.1, Op.10 (Le Beau, Luise Adolpha) - IMSLP
violin sonata no 1op 10le beau
https://imslp.org/wiki/Violin_Sonata_No.1,_Op.15_(Catoire,_Georgy)
Violin Sonata No.1, Op.15 (Catoire, Georgy) - IMSLP
violin sonata no 1op 15catoiregeorgyimslp
https://imslp.org/wiki/Violin_Sonata_No.1,_Op.73_(Raff,_Joachim)
Violin Sonata No.1, Op.73 (Raff, Joachim) - IMSLP
violin sonata no 1op 73raff joachimimslp
https://imslp.org/wiki/Violin_Sonata_No.1%2C_Op.12_No.1_(Beethoven%2C_Ludwig_van)
Violin Sonata No.1, Op.12 No.1 (Beethoven, Ludwig van) - IMSLP
violin sonata no 1beethoven ludwig vanop 12imslp
https://imslp.org/wiki/Violin_Sonata_No.1,_Op.21_(Medtner,_Nikolay)
Violin Sonata No.1, Op.21 (Medtner, Nikolay) - IMSLP
violin sonata no 1op 21medtnernikolayimslp