Books:

A World History of Art, by Hugh Honour and John Fleming (Laurence King)

Baroque, by John Rupert Martin (Penguin)

Patterns of Thought: the Hidden Meaning of the Great Pavement of Westminster, by Richard Foster (Jonathan Cape)

Icon: Image of the Invisible, by Egon Sendler (Oakwood Publications)

A Beginner's Guide to Constructing the Universe: The Mathematical Archetypes of Nature, Art, and Science, by Michael S. Schneider (HarperCollins, see also HarperCollins,
www.constructingtheuniverse.com).

Articles:

Beauty Will Save the World by Aleksandr Solzhenitsyn

The Way of Beauty, by David Clayton, Second Spring, Issue 4

The Art of the Spheres: Mathematical Ideals in Christian Art, by David Clayton, Second Spring, Issue 8.