Blichfeld, M.F. 1964. The Americanization of the Danish Lutheran Churches in America by Poul C. Nyholm, Ph. D. Professor of Churc History Wartburg Theological Seminary, Dubuque, Iowa. Grundtvig-Studier. 17, 1 (jan. 1964), 96–99. DOI:https://doi.org/10.7146/grs.v17i1.13299.