1. On a certain theta function in a letter of Ramanujan from Fitzroy House;Berndt;Ganita,1992
2. Ramanujan's Notebooks;Berndt,1991
3. B. C. Berndt, and, H. H. Chan, Ramanujan and the modular j-invariant, preprint.
4. Ramanujan's theories of elliptic functions to alternative bases;Berndt;Trans. Amer. Math. Soc.,1995
5. A cubic counterpart of Jacobi's identity and AGM;Borwein;Trans. Amer. Math. Soc.,1991