Rígsþula
The poem "Rígsþula" is preserved incomplete on the last surviving sheet in the 14th-century "Codex Wormianus" , following Snorri Sturluson's "Prose Edda" . 
<triplet> Rígsþula <subj> Codex Wormianus <obj> published in <triplet> Prose Edda <subj> Snorri Sturluson <obj> author