Stutt ágrip af hinum helztu söngreglum.

• Main Author: Helgason, Jónas, 1839-1903.
• Format: Text
• Language: Icelandic
• Published: Reykjavík, Prentuð hja E. Þórðarsyni. 1880
• Subjects: Harpa; Reykjavík
• Online Access: http://hdl.handle.net/2027/hvd.32044084758846

"Útgefandi: Söngfjelagið 'Harpa' í Reykjavík." Mode of access: Internet.