A "Knol" is apparently a unit of knowledge, and Google has a site where people can post articles and tag them by topic. There are several of these articles that might be of interest to Unitarians:
An introduction to Unitarian Universalism, by Brian Crisan
Unitarian Universalism is a liberal religion that espouses no official creed.
The relationship between the Unitarians and the Brahmo Samaj, by Yvonne Aburrow
During the 1820s, Rammohun Roy made contact with Unitarians in Britain and America. He was a founding member of the Bengal Renaissance, a campaigner for women's rights and the abolition of sati, and founder of the Brahmo Samaj (a monotheistic reform movement in Hinduism). Since the 1820s, contact has been maintained between the Unitarians and the Brahmo Samaj.
Servetus & Calvin, by Standford Rives
Was It Murder by Calvin?
The trial of Servetus for alleged verbal crimes ended in October 1553 with a verdict of death. Servetus was burned alive the very next day. The question whether Calvin murdered Servetus as a judicial witness and prosecutor has dogged Calvin ever since.
Henry David Thoreau
Thoreau, Henry David (12 July 1817-6 May 1862), author and naturalist
Ralph Waldo Emerson
Emerson, Ralph Waldo (25 May 1803-27 Apr. 1882), lecturer and author
Elizabeth Gaskell (1810-1865)