References for Helge von Koch

  1. M Bernkopf, Biography in Dictionary of Scientific Biography (New York 1970-1990).
    http://www.encyclopedia.com/doc/1G2-2830902345.html

Books:

  1. L Garding, Mathematics and Mathematicians : Mathematics in Sweden before 1950 (Providence, R.I., 1998).
  2. E Hellinger and O Toepletz, Encyklopädie der Mathematischen Wissenschaften II (Leipzig, 1923-27).

May 2000

MacTutor History of Mathematics
[http://www-history.mcs.st-andrews.ac.uk/References/Koch.html]