Gasparri, P. Archivmaterialien zu Pietro Gasparri, 1852-1934.
Tohutoru Kātū Chicago (17th ed.)Gasparri, Pietro. Archivmaterialien Zu Pietro Gasparri, 1852-1934.
Tohutoro MLA (9th ed.)Gasparri, Pietro. Archivmaterialien Zu Pietro Gasparri, 1852-1934.
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