Batter my heart (Holy Sonnet 14)
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Someone giving a slightly funny reading of the sonnet.
No idea who this reader is, but it's worth a listen.
Portrait of a young Donne
Scroll down for a cool portrait of Donne as a young man. You can tell by his hat that he means business.
Holy Sonnet 14 in the original English
A version of the poem where the language hasn't been modernized.
The Variorum Edition of the Poetry of John Donne
Want lots of short, easily understood summaries of scholarly opinions on this poem, but you don't know where to find them? Look no further.
The Cambridge Companion to John Donne
This book's got a bunch of interesting, helpful essays on the poet.
Everything you want to know about Donne
A lot of helpful stuff here