#1 Williams, David H. (David Henry) 1933 - Welsh Cistercians; (includes David Williams #31).
#2 Williams, David H. (David Henry) (see #4) 1919- On the Passion of Christ
#3 David H. Williams, fl. 1830-1842, publisher - The Token and Atlantic Souvenir
#5 David Howard Williams - professor of music, Center College, IA, author of Two settings for mixed choir of poems by John Milton and Celebrating George Enescu