| item | description | category | filter | more on... |
| HHA | Health Hazard Assessment | Governmental/Military |
<<
|
|
| HHA | Heavy Horse Archer | Governmental/Military |
<<
|
|
| HHA | Huang Hua, Mainland China | Regional/Airport Codes |
<<
|
|
| HHA | Hypothalamus, Hypothesis, and Adrenal | Medical/Physiology |
<<
|
|