The volcanic soil of several provinces produces enormous quantities of sulphur, and the alum of Tolfi is the best in the world.
The quartz of Civita Vecchia will give us kaolin for porcelain.

The quarries contain building materials, such as marble and pozzolana, which is Roman cement almost ready-made.
In 1847, the country lands subject to the Pope were valued at about L34,800,000 sterling.

The province of Benevento was not included, and the Minister of Commerce and Public Works admitted that the property was not estimated at above a third of its real value.

If capital returned its proper interest, if activity and industry caused trade and manufactures to increase the national income as ought to be the case, it would be the Rothschilds who would borrow money of the Pope at six per cent.

interest.
But stay! I have not yet completed the catalogue of possessions.