Various notes related to Kålund's work on his entries for Dansk biografisk Lexikon, including printed material and letters to Kålund from the following
- Jón Þorkelsson dated May 07, 1886 (fol. 9-10) and January 14, 1892 (fol. 11);
- Carl Bricka dated July 07, 1885 (fol. 30), September 19, 1885 (fol. 33), September 14, 1886 (fol. 35), April 23, 1893 (fol. 171), May 10, 1893 (fol. 172), November 24, 1892 (fol. 194), October 28, 1896 (fol. 294), March 29, 1898 (fol. 370), January 31, 1898 (fol. 394), February 11, 1898 (fol. 396), April 12, 1899 (fol. 397), September 26, 1901 (fol. 449), December 20, 1901 (fol. 556), September 02, 1902 (fol. 587), April 29, 1903 (fol. 565);
- Þorkell Bjarnason dated May 03, 1887 (fol. 37);
- Jón Árnason dated May 04, 1885 (fol. 48);
- Pálmi Pálsson dated February 18, 1886 (fol. 49), March 20, 1894 (fol. 195), March 18, 1897 (fol. 264-265), September 07, 1892 (fol. 631);
- Henning Frederik Feilberg dated September 08, 1890 (fol. 62-65);
- Halldór Kr. Friðriksson dated March 23, 1889 (fol. 67);
- Tryggvi Gunnarsson dated February 04, 1889 (fol. 118) and April 07, 1900 (fol. 444-445);
- Jón Helgason dated March 28, 1892 (fol. 136-138), April 01, 1892 (fol. 139), February 10, 1899 (fol. 300), June 16, 1898 (fol. 361-362), September 01, 1898 (fol. 359-360), February 06, 1904 (fol. 591-592), March 19, 1903 (fol. 595);
- Svb. Sveinbjornsson dated April 28, 1892 (fol. 149);
- Kr. Havstein dated November 28, 1892 (fol. 161);
- V.U. Hammershaimb dated April 05, 1892 (fol. 180-182) and June 13, 1896 (fol. 183-184);
- Matthías Jochumsson dated January 08, 1887 (fol. 213-214);
- Eirikr Magnússon dated February 16, 1895 (fol. 255);
- Arnljótur Ólafsson dated August 05, 1896 (fol. 304);
- Jón Ólafsson dated February 09, 1898 (fol. 320);
- Bjorn M. Ólsen dated February 09, 1898 (fol. 328-329);
- Christopher Zytphen-Adeler February 20, 1902 (fol. 453), October 29, 1902 (fol. 557);
- Jón Þorkelsson dated August 04, 1887 (fol 501);
- Konrad Maurer dated June 16, 1889 (fol. 576).