The ID21 service  and the Institute of Development Studies  are summarising some of the seminal work in international development research published since 1947. They are starting off with five classics from researchers who are or were based at IDS: Hans Singer, Dudley Seers, Richard Jolly, Michael Lipton and Robert Chambers.
Classic papers from around the world will follow. You can suggest them titles at email@example.com 
Via Our Word is Our Weapon: http://blog.ctrlbreak.co.uk/?p=394 
- Advances in Development Economics