This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
As far as the HTTP standard is concerned, rfc2109 is what you need. As far as the Servlet API is concerned, the JavaDocs for javax.servlet.http.C o o k i e give the number of c o o k i e s a browser is expected to handle per web server address.