| Jam Fruit Tree, The | Carl | Muller | 1993 | Literature |
| Janakiharana of Kumaradasa, The - | S. | Paranavitana | 1967 | History |
| Janasaviya - Address of Hon R. Premadasa at Inauguration | N/A | N/A | 1990 | Politics |
| Janashakthi Book of Sri Lanka Cricket | S.S. | Perera | 1999 | General |
| Jataka, The or Stories of the Buddha's Former Births - Vol 3 & 4 | E.B., Prof | Cowell | 1969 | Religion |
| Jataka, The or Stories of the Buddha's Former Births - Vol 5 & 6, Index | E.B., Prof | Cowell | 1969 | Religion |
| Jataka, The or Stories of the Buddha's Former Births - Vols 1 & 2 | E.B., Prof | Cowell | 1969 | Religion |
| Jatakamala | Marie Museaus | Higgins | 1984 | Religion |
| Jayawardena, N. U. - The First Five Decades | Kumari Jayawardena | Jennifer Moragoda | 2008 | General |
| Jerusalem, Rome, Lourdes - 1st Ceylon Pilgrimage | D.H. | Walles | 1935 | Religion |
| Jesuits in Ceylon, The | S.G., Rev. Fr | Perera | 1941 | Religion |
| Jinasena Story, The | Mohan | Bhagwandas | 1995 | General |
| John Callaway in Ceylon | C.H.B | Reynolds | 1978 | General |
| Johnson's Note Book For Tea Planters | Reginald. J. | Johnson | 1951 | General |
| Joseph - Peterite, 75th Battle of the Saints | N/A | N/A | 2009 | General |
| Joseph Vaz - India's Gift To Sri Lanka | Denis, Rev. Fr | Pereira | 1995 | Religion |
| Journal - Vol 39, Parts 1 & 2, 1963 | Rubber Research Institute of Ceylon | N/A | 1963 | General |
| Journal - Vol 39, Parts 3 & 4, 1963 | Rubber Research Institute of Ceylon | N/A | 1963 | General |
| Journal - Vol 40, Parts 1 & 2, 1964 | Rubber Research Institute of Ceylon | N/A | 1964 | General |
| Journal - Vol 40, Parts 3 & 4, 1964 | Rubber Research Institute of Ceylon | N/A | 1964 | General |
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