https://imslp.org/wiki/Rose_de_mai,_Op.87_(Cavallo,_Peter)
Rose de mai, Op.87 (Cavallo, Peter) - IMSLP
rose de maiop 87cavallopeterimslp
https://imslp.org/wiki/String%20Quintet%20No.2,%20Op.87%20(Mendelssohn,%20Felix)
String Quintet No.2, Op.87 (Mendelssohn, Felix) - IMSLP
string quintet no 2op 87mendelssohn feliximslp
https://imslp.org/wiki/Noli_me_tangere,_Op.87_(Melartin,_Erkki)
Noli me tangere, Op.87 (Melartin, Erkki) - IMSLP
noli me tangereop 87melartinerkkiimslp
https://imslp.org/wiki/Souvenir_de_Bellini,_Op.87_(Lee,_Sebastian)
Souvenir de Bellini, Op.87 (Lee, Sebastian) - IMSLP
op 87souvenirdebellinilee