As always one need to read ALL in sources refered to.
Old sources
Adam av Bremen, Historien om Hamburgstiftet och dess biskopar
Adam of Bremen, Gesta Hammaburgensis Ecclesiae Pontificum, book 4, Chapter 37-39
Bergthorsson Nicholas, Leidarvisir och borgaskipan
Bull of Pope Anastasius IV
Diplomatarium Danicum, serie 1, II, no 1
Diplomatarium Norvegicum, among them:
Diplomatarium Norwegicum bind 1 nr 66 and 67.
Diplomatarium Norvegicum bind 1 nr 71
Diplomatarium Norvegicum band 4 nr 128
Diplomatarium Norvegicum bind 6 nr 36.
Diplomatarium Norvegicum band 7 nr 103
Diplomatarium Norvegicum band 9 nr 84
Diplomatarium Norvegicum band 10 nr 9
Diplomatarium Norvegicum bind 17 nr 849
Flateyboken
Hauks bok
Heimskringla
Icelandic Annals 1342 written down in 1637 by Bishop Gisle Odds
Ivar Bardarson, Det gamle Grønlands beskrivelse af Ívar Bárðarson (Ivar Bårdssön), ed. Finnur Jónsson (København, 1930).
Danmarckis Rigis Krønicke, transcribed by Arrild Huitfeld, kvartutg. III 1603, 486-88 and Pholiat edition 1652, I, 761
Lappenbergs Hamburgisches Urkundenbuch I
Kristni saga,
Kung Olafs saga i Flateyboken
Konungs skuggsjá
Landnámabók
Legendariska Olafssagan
Nicholars of Thingeyres documents to the Papal See
Ordericus Vitalis, Historiske besetninger om Normanner og Angelsaxere fra Orderik Vitals kirkehistorie I-III. Edited in 1889
Orig. Reg. i d. pav. Ark., Reg. (Johann. XXI. an. I. fol. 23. ep. 93.)
Original regest i Vatican Archieve (Mart.IV. ann. I. ep. 119.)
Original regest in Vatican Archieve (Nic.III An.II. ep.39).
Reg. Auinion. 75 – Clem. VI t., St.s Afskrift
Þórir munkr:s Historia de Antiquitate Regum Norwagiensium
Works
Arneborg J, Norbverne i Grönland 1988
Guldager Ole, Brattahliđ Reconsidered. Some thoughts on the Social Structure of Medieval Norse Greenland, and the Location of Brattahliđ, Archaeologia Islandica 2002:74
Jansen Henrik M, A critical account of the written and archaeological sources’ evidence concerning the Norse settlements in Greenland, Meddelelser om Grönland 182:4, 1972
Mason Ronaldy, Great Lakes Archaeology, NY 1981
McGovern Thomas H, Bones, Building and Boundaries: Palaeoeconomic Approaches to Norse Greenland
Rousell A, Farms and churches in the Medieval Norse settlement of Greenland, Meddelelser of Grönland 86(1)
The Roman Church in Norse Greenland, editor G F Bigelow, ”The Norse of the North Atlantic, Acta Archaeologica 61(1991) page 142-150 Köpenhamn [From Arneborg,1991
norah4history 