Normalisering av personnavn (Normalization of personal names) [In Norwegian]. - Gunnar Thorvaldsen (NODALIDA, 1981)

The encoding of highly structured historical sources. - Gunnar Thorvaldsen (Comput. Humanit., 1994)

Beatrice Moring, Skärgärdsbor: Hushäll, familj och demografi i finländsk kustbygd pä 1600- 1700- och 1800-talen. (Household, family and demography in Finnish coastal regions during the 17th, 18th and 19th centuries.) Helsinki, 1994. - Gunnar Thorvaldsen (Hist. Comput., 1995)

A Structured Method for the Recognition of Complex Historical Tables. - Vitaly Kliatskine; Eugene Shchepin; Gunnar Thorvaldsen; Konstantin Zingerman; Valery Lazarev (Hist. Comput., 1997)

Beyond Record Linkage: Longitudinal Analysis of Turn-of-the-century Interurban Swedish Migrants. - Roger Miller; Gunnar Thorvaldsen (Hist. Comput., 1997)

A Constant Flow of People? Migration in Northern Norway 1865-1900. - Gunnar Thorvaldsen (Hist. Comput., 1999)

Record Linkage in the Historical Population Register for Norway. - Gunnar Thorvaldsen; Trygve Andersen; Hilde L. Sommerseth (Population Reconstruction, 2015)