Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by function]
8. residential structures
9. dwellings
10. houses
11. [houses by form]
12. [houses by form: plan]
13. double-pen houses

Anotations

Scope note:

Houses in which two pens are separated by a passageway, and the whole is covered by a single roof. Originally constructed of logs, they may now be built from any material, the passageway being the prime characteristic of these houses.