Literature

1.	Kjærgaard, T. 1989. Bolle Willum Luxdorph's "longævi". About the earliest age research in Denmark. (In Danish). Carlsbergfondets Årsskrift 1989:124-35.
2.	Kjærgaard, T. 1995. Eilif Philipsen - the first centenarian in Europe? (In Danish). Gerontologi og Samfund 11:1:4-5.