The historic Catholic newspaper The Tablet has an article all about Beard Theology.
Melanie McDonagh begins the article,
NOT FOR THE first time, I find that an idea I had nursed for a book has actually been written. Beard Theology: A Holy History of Hairy Faces, by the blogger known as the Church Mouse, gives a spirited account of the ways in which men’s beards have been given theological significance.
She then goes on to admit that she hasn't actually read it yet, which is a little disappointing. Nevertheless, the article is decidedly on topic and worth a read.