Friedrich Wilhelm Herschel Biography
Short but informative biography by The Astronomical League.
http://www.astroleague.org/al/obsclubs/herschel/fwhershs.html

Herschel Museum
Description of the museum at 19 New King Street, Bath (18th century residence of William and Caroline Herschel)
http://www.bath-preservation-trust.org.uk/museums/herschel/index.html

William Herschel's catalog of Deep Sky objects
Various links to online versions Herschel's catalogue plus some biographical links.
http://www.seds.org/messier/xtra/similar/herschel.html

Herschel, Sir William
Biography focusing on his abilities as musician and composer from the Grove Concise Dictionary of Music entry at WQXR radio.
http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=4205

William Herschel
Birth, death, and burial details with information on musical and scientific pursuits, portraits, pictures of tomb, and virtual memorial from Find a Grave.
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=7071&pt=William%20Herschel