This source, from an internal page of a Web site, provides no indication of an author or a sponsor. Shortening the URL to twain.lib.virginia.edu leads to a main page that lists a university literature professor as the author and the University of Virginia Library as the sponsor.
The web page, headed “Adventures of Huckleberry Finn”, is shown. The URL address of the web page is twain.lib.virginia.edu/huckfinn/huchompg.html. Along with the key facts about the novel, the hyperlinks to the other web pages and pictures related to this novel, are shown on the web page.