Backup source of SICP (No. 1)

• Backup list
• View the diff.
• View the diff current.
• View the diff for visual.
• View the backup.
• Go to SICP.
  • 1 (2008-05-30 (Fri) 12:28:29)
  • 2 (2014-04-05 (Sat) 12:49:25)
  • 3 (2014-04-11 (Fri) 21:42:10)

http://mitpress.mit.edu/sicp/