| Abbreviation | Definition |
|---|---|
| H&CP | Hospital and Community Psychiatry |
| h/c | hardcover |
| HAGGLE | Hybrid Attributed Generic Graph Library Environment |
| HAIL | Hildon Accessibility Implementation Library |
| HAL | Hierarchic Announcing Library |
| HALN | HIV AIDS Library Network |
| HAPL | Hazleton Area Public Library |
| HAPL | Huntley Area Public Library |
| HAPR | Harvard Asia Pacific Review |
| HAWK | Help Acquire the World's Knowledge |
| HB | hard-back [book] |
| HBBL | Howard Beach Branch Library |
| HBL | Henry Buhl Library |
| HBL | Huntington Beach Library |
| HBR | Harvard Business Review |
| HBSP | Harvard Business School Publishing |
| HCFIARL | Horseless Carriage Foundation, Incorporated, Automotive Research Library |
| HCL | Harvard College Library |
| HCLS | Hall County Library System |
| HCLS | Hancock County Library System |