//-->
Folketællingen 1850, 1. februar for Torslev Sogn, Dronninglund Herred
(1983)
Nordic population mobility : comparative studies of selected parishes in the nordic countries 1850 - 1900; a collective work of the Nordic Emigration Research Project
Kronberg, Bo, (1977)
Danish emigration prior to 1914 : trends and problems
Hvidt, Kristian, (1966)