6 articles: (1) Broms, BB: Settlements of pile groups; (2) Broms, BB: Stability of flexible structures (piles and pile groups); (3) Fellenius, BH: Buckling of piles due to lateral soil movements; (4) Fellenius, BH: Bending of piles determined by inclinometer measurements; (5) Fellenius, BH: Precast concrete piles. State-of-art report; (6) Massarsch, R: Die Anwendung der Ähnlichkeitstheorie in der Geotechnik. (Dimensional analysis and similarity theory in soil mechanics)