The Vicar of Wakefield
http://www.gutenberg.org/files/2667/2667-h/2667-h.htm
The Project Gutenberg e-text of the novel.
Oliver Goldsmith: A Bibliography
http://www.poetry-archive.com/g/goldsmith_oliver_bibliography.html
An excellent resource, complete with links to Goldsmith's poetry, criticism, and other related information.
Oliver Goldsmith
http://www.westminster-abbey.org/our-history/people/oliver-goldsmith
The Westminster Abbey page dedicated to Goldsmith.