Drámaí Beaga don aos óg. [Four plays from "Eight easy plays for infants"] /
Polkinghorne, Ruby Kathleen,1883-.
Polkinghorne, Mabel Irene Rutherford,1882-.
Baile Átha Cliath, 
1944.
Joint authors: Ruby Kathleen Polkinghorne and Mabel Irene Rutherford Polkinghorne.