The British Organ Archive
| Type of church, building, etc | ||
| Ang | Anglican | |
| RC | Roman Catholic | |
| Congr | Congregational | |
| Dom | Domestic | residences - including stately homes |
| Bapt | Baptist | |
| Meth | Methodist | |
| Meth Prim | Primitive Methodist | |
| Meth Wes | Wesleyan Methodist | |
| Meth Utd | United (Free) Methodist | |
| Meth Calv | Calvinistic Methodist | |
| Indep | Independent | |
| Presbyt | Presbyterian | |
| CofS | Church of Scotland | |
| Trade | organ builders, dealers, agents, suppliers of parts | |
| Educ | Education | schools, colleges, universities |
| Sec | Secular | cinemas, theatres, town halls, Masonic lodges |
| Hosp | Hospital | |
| Cath Apost | Catholic Apostolic | |
| UF | United Free | |
| Utd Free | United Free | |
| New Jeru | New Jerusalem | |
| Jew | Jewish |