Kuto (n)
Čapljina; Drežnica (where it has the shape of a wine-glass); District Glamoč (Ćoslija [?]; Stekerovci); Gradina [NW of Gacko]; Kamenica [NNW of Drvar]; Mahmić Selo [NNW of Bosanska Krupa/ENE of Cazin]; Zgon [NNE of Ključ].
Širola, Božidar: Sviraljke s udarnim jezičkom [Aerophones with a beating tongue]. Zagreb, 1937, p.160 [NOT in index!].
Gojković, Andrijana: Narodni muzički instrumenti [Folk musical instruments]. Beograd, 1979 (1 & 2: »Širola [129]; 3: »Rihtman-Šotrić [114]; 4: »Rihtman [110]).