 | | Overseas Development Aid – Periodicals. |
 | | Overseas Development Institute. |
 | | Overseas Service Bureau (Australia) – Periodicals. |
 | | Overseas Service Bureau (OSB) – Periodicals. |
 | | Oxygen - Physiology |
 | | Pacific Area – Commerce. |
 | | Pacific Area – Population policy – Congresses. |
 | | Pacific area – Social conditions. |
 | | Pacific area – Trade. |
 | | Pahlawan |
 | | Painters - Herat - Biography |
 | | Pakhtunistan (Proposed state) |
 | | Pakistan |
 | | Pakistan (awami national party) - Foreign relations |
(2) | | Pakistan - Armed forces - Political activity |
(4) | | Pakistan - Description and travel |
(2) | | Pakistan - Description and travel - Guidebooks |
 | | Pakistan - Description and travel - Guidebooks. |
 | | Pakistan - Economic policy |
(3) | | Pakistan - Emigration and immigration - Social aspects |
(7) | | Pakistan - Foreign relations |
(5) | | Pakistan - Foreign relations - Afghanistan |
 | | Pakistan - Foreign relations - Afghanistan - 1979 - |
 | | Pakistan - Foreign relations - Afghanistan - 1990 - |
 | | Pakistan - Foreign relations - Treaties |
 | | Pakistan - Foreign relations - United states |
(2) | | Pakistan - History |
(6) | | Pakistan - Politics and government |
(2) | | Pakistan - Politics and government - 1971 - 1988 |
(2) | | Pakistan - Politics and government - 1988 - |
 | | Pakistan - Politics and government - 2001 - |
(4) | | Pakistan - Presidents - Biography |
 | | Pakistan - Relations - Afghanistan |
 | | Pakistan - Social conditions |
 | | Pakistan - Social policy |
 | | Pakistan -- History -- 20th century. |
 | | Pakistan -- History -- 21st century. |
 | | Pakistan -- Politics and government -- 1988- |
 | | Pakistan -- Politics and government –1971-1988 |
 | | Pakistan -- Relations -- China |
 | | Pakistan Red Crescent Society – Periodicals. |
 | | Pakistan – Boundaries – Afghanistan . |
(2) | | Pakistan – Boundaries – Afghanistan. |
 | | Pakistan – Boundaries. |
(2) | | Pakistan – Commerce – United States. |
 | | Pakistan – Description and travel. |
 | | Pakistan – Economic conditions – 20th century. |
 | | Pakistan – Economic conditions – Public opinion. |
 | | Pakistan – Economic policy. |
(2) | | Pakistan – Emigration and immigration. |