Maffeo, Sabino. In the service of nine popes : 100 years of the Vatican Obervatory / by Sabino Maffeo ; translation by George V. Coyne.

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Maffeo, Sabino.

In the service of nine popes : 100 years of the Vatican Obervatory / by Sabino Maffeo ; translation by George V. Coyne.

Specola vaticana -- History.

Institutional History

In the service of 9 popes.