There are 19 of them in all, the 14th of which compares the author to a "usurped town" in the course of asking that the "three-personed God" batter his heart.  
The ninth one of them discusses the immunity from sin of poisonous minerals and lecherous goats, and wishes that blood and tears could make a "heavenly Lethean (leh-thee-an) flood" to drown the author's "sins' black memory."  The fifth notes that the author is a "little world made cunningly Of elements, and an angelike sprite," while the seventh alludes to Revelation 7:1 with its image of angels blowing trumpets at "the round earth's imagined corners."  There are 19 of them in all, the 14th of which compares the author to a "usurped town" in the course of asking that the "three-personed God" batter his heart.  FTP, name this group of devotional poems, the tenth of which famously begins "Death, be not proud," a work of John Donne.
The ninth one of them discusses the immunity from sin of poisonous minerals and lecherous goats, and wishes that blood and tears could make a "heavenly Lethean (leh-thee-an) flood" to drown the author's "sins' black memory."  
the Holy Sonnets