The manuscript was in conservation from 4. maí 1998 to 12. nóvember 1998. Folder from Kålund's time was replaced with conservtion boxes I, II, III. The leaves were foliated.
The contents were rearanged by Ragnheiður Mosesdóttir to follow Kålund's description of the manuscript on 4. september 1998.
New foliation from 28. september 1998. Each letter received its own number.
Portrait photographs were taken on 12. desember 1997.
Photographs were taken on 15. desember 1997.
Photographs of the seal on f. 43 bis were taken on 1. október 1998.
The manuscript was photographed before the conservation on 22. janúar 1998.
Various copies of letters and other documents related to Ormur Daðason, Ari Þorkelsson, and Magnús Gíslason.
Written by Árni Magnússon's Secretary, Jón Ólafsson from Grunnavík.
Previously the letters were most likely kept all together inside a yellow paper folder on with Kålund wrote with blue crayon I |Breve fra Arne | Magnusson. The collection was rearanged after Kålund's times, as his description does not correspond to the organization of the letters today. Each letter is kept in a separate conservation folder with new signatures (listed below each item).
Some of the letters were published in Kålund's edition of Árni Magnússon's correspondence in Arne Magnussons private brevveksling.
Various letters and other documents related to Ari Þorkelsson, Ormur Daðason, Benedikt Þorsteinsson, Bjarni Halldórsson, Brynjólfur Þórðarson Thorlacius, Böðvar Pálsson, Einar Magnússon, Eiríkur Þorsteinsson, Eyjólfur Jónsson, Finnur Jónsson, Halldór Pálsson, Hans Schieving, Halldóra Aradóttir, Hjalti Þorsteinsson, Jón Árnason, Jón Hákonarson, Jón Halldórsson, Jón Magnússon, Katrín Björnsdóttir, Magnús Einarsson, Magnús Gíslason, Magnús Markússon, Magnús Pálsson Vídalín, Markús Bergsson, Margrét Nikulásdóttir, Oddur Sigurðsson, Olafur Stephánsson, Ormur Daðason, Páll Hákonarson, Sigurður Sigurðsson, Sigurður Vigfússon, Snorri Jónsson, Steinn Jónsson, Þorsteinn Ketilsson, Þuríður Sæmundsdóttir.
Written by Jón Ólafsson from Grunnavík.