Antavla: Family tree on Ståhl, Magnusson and Sundqvist.
Österholm Genealogy: About the surname Österholm and its derivation Osterholm, its origins and family trees.
Johansson, Bertil: Genealogy-research about the Bäckman- and Widemark- families with ancestors in Södermanland, Östergötland and Värmland.
Niklas Lindberg's Genealogy: Personal genealogy pages with searchable databases.
Romlin, Mats: Genealogy of the Romlin family.