The official vital statistics of the Republic of Portugal.
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Geneva
[s.n.]
1926.
|
| Saila: | Health Organisation. Statistical handbooks series
no. 7 |
| Gaiak: |