Chopin an index of his works in chronological order, Maurice J. E. Brown, 1972

The New Grove, 1998

A catalogue of early printed editions of the works of Frédéric Chopin in The University of Chicago Library, 1997

(Spiewy polskie)

(Songs, op. 74; published separately: Czary (Charms), Dumka (Reverie))

(lists the 17 songs of op. 74 separately, without collective title)