The following are some on-line biographies of Edward Carpenter.

Edward Carpenter by Philip Taylor

In Search of Edward Carpenter by Sheila Rowbotham

Wikipedia Entry on Carpenter

The two major print biographies are:

Edward Carpenter: A Life of Liberty and Love. Sheila Rowbotham, Verso Books, 2008.

Edward Carpenter, 1844-1929: Prophet of Human Fellowship. Chushichi Tsuzuki, Cambridge Universty Press, 1980. Reprinted 2005.