Greatest Source for Old Vatican Photos: L'ILLUSTRAZIONE VATICANA

Some have asked where to find the mother load of old Vatican pics.

The easiest answer is to see old versions of the 1930s L'Illustrazione Vaticana.

Fascinating pics and stories.  All the personalities and building projects of the time. 

You will find countless old spectacular photos of that storied era in Rome and Vatican City, just after the Lateran Concordat.  Someone ought to publish these into one big photo book.