The Thesis Whisperer 'blog newspaper' provides lots of useful advice and tips for researching and writing.
These guides will show you how to design, research, analyse and write up your literature reviews.
In addition each of the resources below provide comprehensive instructions on how to conduct a literature search:
1. Getting started on your literature review, (UNSW)
2. What is a review of the literature? Toronto University
3. From Boston College Libraries a step by step guide to writing a literature review:
You may find it useful to organise your literature search using visual mind-mapping tools.
There are a number of free software tools available to use such as: