Public BGP data archirve: RouterViews and RIPE RIS
libbgpdump, a program to convert MRT-format binary data to ASCII text data.
This page describes the text data format briefly, but usually it's enough. For full details, check bgpdump's header files.
BGP Tutorial from Tim Griffin
NANOG web site has mail archives and presentation slides.
www.bgp4.as has pointers to lots of papers and slides, and it is updated periodically.
Papers and Slides from CSc 525
Delayed Internet Routing Convergence
slides
Route Flap Damping Exacerbates Internet Routing Convergence
Timer Interaction in Route Flap Damping
slides
Power-Laws and the AS-level Internet Topology
Emergence of Scaling in Random Networks
slides
On Inferring Autonomous System Relationships in the Internet
slides
Dynamics of Hot-Potato Routing in IP Networks
slides