Florides, P. S. and Synge, J. L. (1961) Notes On The Schwarzschild Line-Element. Communications of the Dublin Institute for Advanced Studies. ISSN Series A (Theoretical Physics) 0070-7414
O'Brien, Stephen and Synge, J. L. (1952) Jump Conditions at Discontinuities in General Relativity. Communications of the Dublin Institute for Advanced Studies. ISSN Series A (Theoretical Physics) 0070-7414
Synge, J. L. (1956) Geometrical Optics in Moving Dispersive Media. Communications of the Dublin Institute for Advanced Studies. ISSN Series A (Theoretical Physics) 0070-7414
Synge, J. L. (1964) The Petrov Classification of Gravitational Fields. Communications of the Dublin Institute for Advanced Studies. ISSN Series A (Theoretical Physics) 0070-7414
Synge, J. L. (1972) Quaternions, Lorentz transformations, and the Conway-Dirac-Eddington matrices. Communications of the Dublin Institute for Advanced Studies. ISSN Series A (Theoretical Physics) 0070-7414