1. On a class of forced oscillations //Quart;Stephenson;J Pure and Appl Math,1906
2. On the stability of the steady state of forced oscillation //Phil;Stephenson;Mag and J Sci Sen 6,1907
3. On induced stability //Phil;Stephenson;Mag and J Sci Sen 6,1908
4. On a new type of dynamical stability//Mem. and Proc;Stephenson;Manchester Literary and Phil Soc,1908
5. Some Statistical Methods in Mathematical Physics;Bogolyubov,1945