The collector of the: Edda probably had the old poems recited to him in the 13th century, and where there was a break in the memory of the reciters the lacuna was filled up in prose.
Dasent's Prose or Younger Edda (Stockholm, 1842); the Corpus Septentrionale already referred to; C. F.
His literary activity was enormous, extending from his Edda Skandinawska (1807) to his Geographie des Arabes (2 vols., Paris, 1851).
To these must be added a large number of Old Norse writings including the older Edda and the prose Edda (the chief authorities for Northern mythology), Islands Landnamabok and many sagas dealing with the history of families in Iceland (such as Eyrbyggia Saga) or with the lives of Norwegian and other kings, both historical and legendary (in Heimskringla, Fornmanna Sogur and Rafn's Fornaldar Sogur Norr landa).
He published also translations of the Samunder Edda and Herwara-Saga, and a history of Sweden to Charles XII.
The story of his death is given in two widely different forms, by Saxo in his Gesta Danorum (ed Holder, pp. 69 ff.) and in the prose Edda (Gylfaginning, cap. 49).
Snorri is the author of the great prose Edda (see Edda), and of the Heimskringla or Sagas of the Norwegian Kings, a connected series of biographies of the kings of Norway down to Sverri in 1177.
The idea that he had anything to do with the poetic Edda in general, or the Sun's Song in particular, is unfounded.