Title: Lachplesis, latyshskiĭ narodnyĭ geroĭ. [Narodnyĭ epos, vossozdannyĭ po narodnym skazanii︠a︡m.
Authors: Pumpurs, Andrejs, 1841-1902; Derzavin, Vladimir.
Publisher: Latgosizdat,
Year: 1948