'Original Letters collected by William Upcott... Poets... 1824.' Letters of British poets who died before 1824, with a few facsimiles, arranged in chronological order and generally illustrated by engraved portraits. An index of names and a note by Upcott begin the volume. The most important pieces are as follows: Sidney, sir Philip (signature only), Dec. 13, 1578 (fol. 23). Dorset, earl…