- Koch, Hal,
Koch, Hal, 1904-1963 (Autor Personal)
Politikens Danmarkshistorie, 1984: title page (under redaktion af John Danstrup og Hal Koch)
LC data base, May 15, 1985 (hdg.: Koch, Hal, 1904-1963)
Koch, Hal. Pronoia und Paideusis : Studien über Origenes und sein Verhältnis zum Platonismus, 1932: title page (Hal Koch) title page verso (submitted this work as his thesis to the University of Copenhagen in 1932)
Koch, Hal. Danmarks kirke i den begyndende højmiddelalder, 1936: title page (Hal Koch)
Danish Wikipedia, viewed March 31, 2024 (Hal Koch; full name: Hans Harald Koch; born May 6, 1904, in Hellerup; obtained his doctorate in theology in 1932; died August 10, 1963, while crossing the Kattegat on the Hundested-Grenaa ferry; Danish theologian and church historian; married to the politician Bodil Koch; professor at the University of Copenhagen; with John Danstrup, he was co-editor of Politikens Danmarkshistorie)
Deutsche Nationalbibliothek online catalog, viewed March 31, 2024 (authorized access point: Koch, Hal; other data in authority record: Danish theologian and church historian; born 1904 in Hellerup; died 1963)