Masonry in 2005

Concrete and Concrete Masonry by Ahrens, Donald L.

Builder's Foundation Handbook by Christian, Jeffrey, Labs, Kenneth, Carmody, John

Concrete and Masonry Repairs and Utilities by U. S. Army

The Cathedral Of Strasburg And The Stonemasons Of Germany by Singleton, William R., Mackey, Albert G.

The Stonemasons Of Germany by Gould, Robert Freke