PEM Guides: How To: Organize Research

Mendeley is a free cross-platform application (Windows, OSX, Linux, iOS, Android) that helps you to organize and manage the materials you rely on to do
your research.

Be sure to heck out Mendeley's own Help  Community and Video Tutorials  if you have any questions.

Organizing Your Research Online - University of Southern California Libraries. Comprehensive guide on research, organization, and productivity. Check this out!

Other useful sites: 

• Organizing and Using Sources  - Loyola University
• Work Flow: How I Organize My Research and Writing - Elizabeth M. Covart, historian and independent scholar