In the assessment of Jan de Vries, Halldórr was an able craftsman ('ein gewandter Verseschmied') but lacked poetic genius.
[2] According to Snorri Sturluson's Skáldatal, Halldór wrote elegies (in the Skaldic verse forms of the drápa and flokkr) for:[3] These poems do not, however, survive.
The surviving parts of Halldórr's corpus are, like most skaldic verse, preserved only as quotations in prose Kings' sagas.
These are: Halldórr's poems are reconstructed as accurately as possible from the surviving quotations in Poetry from the Kings’ Sagas 2: From c. 1035 to c. 1300, ed.
by Kari Ellen Gade, Skaldic poetry of the Scandinavian Middle Ages, 2 (Turnhout: Brepols, 2009), pp. 482–96.