Pius, XI, Pope, 1857–1939
Nationality: Undetermined, possibly 
(Italy)
Identities and Authority Control
- pdbooks.info ID: 24780
Pope XI Pius Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| Scritti alpinistici del sacerdote dottor Achille Ratti (ora S.S. Pio Papa XI): raccolti e pubblicati in occasione del cinquantenario della sezione di Milano del Club alpino italiano, MCMXXIII | 1923 | Author | |  |  | | | ||