It's the 21st century -- Tool up!
Setup a reference manager to manager your papers.
Finding, recording, organizing and sharing your references manually takes a HUGE amount of time. Managing references by hand in this day and age is like trying to write a book using a typewriter. Reference management software is now easy to use and ranges from cheap to free -- its definitely worth the time and money.
Sente is very much an "iTunes for references." You can get a basic account for free and a premium student account for $59 (totally worth it!)
Another popular option is Zotero.
Then checkout the Sente User manual and read how to:
This just scratches the surface of what reference managers can do, but these are some of the most useful features that will speed up your work.