Professional Websites for Paul Manuel
https://www.linkedin.com/in/paul-manuel-7a658563
https://www.researchgate.net/profile/Paul_Manuel4
https://scholar.google.com/citations?user=HJXhvxUAAAAJ&hl=en
http://www.american.edu/spa/faculty/pmanuel.cfm
https://ces.fas.harvard.edu/people/000217-paul-christopher-manuel
http://berkleycenter.georgetown.edu/people/paul-manuel
Amazon Page
http://www.amazon.com/Paul-Christopher-Manuel/e/B001HP19WU