- Biography of Thoralf Skolem (1887-1963) ...www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Skolem.html
- Nordic Journal of Philosophical Logic, Volume 1, No. 2. Articles by Jens Erik Fenstad, Herman Ruge Jervell, Hao Wang, Grigori Mints, Matti Eklund, Jaakko Hintikka and Gabriel Sandu. Full-text Web edition free for personal use.www.hf.uio.no/filosofi/njpl/vol1no2/contents.html
