1. Theorie der Elastizitätsbedürfnisse der Festigkeitslehre;Kirsch;Z. Ver. dtsch. Ing.,1898
2. Stresses in a plate with a circular hole;Timoshenko;Bull. Polyt. Inst. Kiev,1907
3. Plane stress and strain in bipolar co-ordinates;Jeffery;Phil. Trans.,1920
4. On the stresses in the neighbourhood of a circular hole in a strip under tension;Howland;Phil. Trans.,1930
5. On the stresses in a perforated strip;Knight;Quart. J. Math.,1934