Roberts, John Varley

ROBERTS, J. Varley(*1841)

A dictionary of music and musicians (A.D. 1450–1880)

George Grove

ROBERTS, J. Varley

A dictionary of music and musicians (A.D. 1450–1880)

W. Barclay Squire

Roberts, John Varley(*1841)

Opernlexikon/Opera catalogue/Lexique des opéras/Dizionario operistico

ROBERTS, John Varley(1841–1920)

Algemene muziek encyclopedie

ROBERTS, John Varley(*1841)

Biographical dictionary of musicians, with a bibliography of English writings on music