| Unbinding, The | Punyakante | Wijenaike | 2001 | Literature |
| Under The Bo Tree (Caste, Kinship & Marriage in Interior Ceylon) | Nur | Yalman | 1971 | General |
| Understanding the Sinhalese | J.B. | Disanayaka | 1998 | General |
| Underworld of Crime, Drugs and Sex | Kirthie | Abeyesekera | 1991 | General |
| Unfinished Odyssey, The | Rohan | Wijeyaratna | 2018 | General |
| United Nations Annual Review - Sri Lanka 1998 | United Nations | N/A | 1998 | General |
| United Nations Annual Review - Sri Lanka 1999 | United Nations | N/A | 1999 | General |
| Unity & Progress - Prime Minister Premadasa's Speeches in Jaffna | Christy | Cooray | 1981 | Politics |
| Universal Franchise, 1931-1981 - The Sri Lankan Experience | K.M. | de Silva | 1981 | General |
| Universities in Sri Lanka - Handbook for Administrators | W. A | Jayawardana | 1998 | General |
| University of Ceylon Review - Vol XI, No's 3 & 4, 1953 | O.H. | De A.Wijesekera | 1953 | General |
| University of Ceylon Review - Vol XII, No 1, 1954 | O.H. | De A Wijesekera. | 1954 | General |
| University of Ceylon Review - Vol XII, No 3, 1954 | O.H. | De A.Wijesekera | 1954 | General |
| University of Ceylon Review - Vol XIV, No's 1 & 2, 1956 | K. | Kanapahi Pillai | 1956 | General |
| University of Ceylon Review - Vol XV, No's 1 & 2, 1957 | K. | Kanapathi Pillai | 1957 | General |
| University of Ceylon Review - Vol XVI, No's 1 & 2, 1958 | K. | Kanapathi Pillai | 1958 | General |
| University of Ceylon Review - Vol XVI, No's 3 & 4, 1958 | K. | Kanapathi Pillai | 1958 | General |
| University of Ceylon Review - Vol XVII, No's 1 & 2, 1959 | K. | Kanapathi Pillai | 1959 | General |
| University of Ceylon Review - Vol XVII, No's 3 & 4, 1959 | K. | Kanapathi Pillai | 1959 | General |
| University of Ceylon Review - Vol XXi, No 2, 1963 | P.E.E. | Fernando | 1963 | General |
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