Isaac Watts, Solemn Address to the Deity
Meditations on trinitarian doctrine: electronic text with interspersed commentary by Robert A. Sabin http://www.whoisjesus.com/watts.html
Giga Quote: Isaac Watts
Quotations from poetry and prose works. http://www.giga-usa.com/gigaweb1/quotes2/quautwattsisaacx001.htm
Lives of the Poets: Isaac Watts
Etext of Samuel Johnson's essay, with links to poems by Watts. http://www2.hn.psu.edu/Faculty/KKemmerer/poets/watts/default.html#Life
Indelible Grace Music: Isaac Watts
Features the preface to "Hymns and Spiritual Songs", several hymn texts. http://igracemusic.com/igracemusic/hymnbook/authors/isaac_watts.html
The Psalms of David
E-text at Project Gutenberg also containing Johnson's Life of Watts, and extracts from Watts' preface. http://gutenberg.org/etext/13166
Isaac Watts Celebration
Biographical devotional by Jean Silvan Evans. http://www.urc.org.uk/documents/isaac_watts/watts_index.htm
Isaac Watts, Hymn-writer
Biographical information; several hymn texts (compiled by James Kiefer) http://justus.anglican.org/resources/bio/70.html
American Presbyterian Church: Isaac Watts
Several articles criticizing his theology and his rejection of exclusive psalmody. http://www.americanpresbyterianchurch.org/isaac_watts.htm
Smith Creek Music: Isaac Watts
Illustrated biographical article with literary analysis. http://www.smithcreekmusic.com/Hymnology/Watts/Isaac.Watts.html
Christian Classics Ethereal Hymnary: Isaac Watts
[hymnals; 600+ hymns and poems] Includes etexts of "Psalms and Hymns" and "Divine and Moral Songs", critical essays by Bernard Manning, and brief biographical article. http://ccel.org/w/watts/