Here are some external links that you may find interesting and enjoyable during your PhD journey:
This video by Angel Productions and Birkbeck, University of London, will help students in all institutions to understand the viva and handle it well. It is now widely used in universities throughout the UK.
The Thesis Whisperer (Facebook)
The thesis whisperer is a blog dedicated to helping PhD students finish their thesis or dissertation
PhD Blogs (jobs.ac.uk)
PhD blogs and careers advice
"Piled Higher and Deeper" (PhD) is the comic strip about life in academia
Doctoral Writing SIG (Doctoral writing blog)
DoctoralWritingSIG is a forum where people who are interested in doctoral writing can come together to share information, resources, ideas, dreams in a spirit of building knowledge and skills around higher degree research writing.