Lone congressional district province of Isabela.
| Formatua: | Mapa |
|---|---|
| Hizkuntza: | English |
| Argitaratua: |
[Manila]
BCS Geography Div. [19-n].
|
| Formatua: | Mapa |
|---|---|
| Hizkuntza: | English |
| Argitaratua: |
[Manila]
BCS Geography Div. [19-n].
|