1. Managing uncertainty

   • Virginia Abernethy

   Editorial Pages: 511 - 513

2. A general statement of the tragedy of the commons

   • Herschel Elliott

   OriginalPaper Pages: 515 - 531

3. Behind the curtain: Julian Simon's manipulation of immigration studies

   • Jack Martin
   • Scipio Garling

   OriginalPaper Pages: 533 - 559

4. Why population matters

   • Marilyn Hempel

   OriginalPaper Pages: 561 - 563

5. Averting the 21st century's demographic crisis: Can human numbers be reduced by 75%?

   • J. Kenneth Smail

   OriginalPaper Pages: 565 - 580

6. Conference announcement

   Announcement Pages: 581 - 581