Divine harmony or, a collection of fifty-five Double and Single Chants, for Four Voices, As they are Sung at the Cathedral of Lichfield; compos'd by John Alcock, Organist, Vicar, and Master of the Children of that Cathedral - Alcock, John 1715-1806 (Printed for the author, and M. Broome, musick-engraver in Birmingham, and sold by them; Mr. Cross and Mr. Philips, Musick-Sellers at Oxford; Mr. Bailey, Bookseller at Lichfield; and T. Aris, printer in Birmingham, 1752)