anchor.diff:  Robert Sternberg,
   Robert Sylwester,
   Robert T Lackey,
  -Robert T. Bakker,
  -Robert T. Orr,
  +Robert T. Bakker,46
  +Robert T. Orr,90
   Robert Thomas Moore,20
   Robert Thurman,363
   Robert Tijdeman,88
  
positive.code: Robert Daniel Carmichael,19
  Robert Desharnais,75
  Robert E. Connick,67
  Robert E. Hopkins,
  Robert E. Kahn,121
  Robert E. Longacre,
  Robert E. Lucas Jr.,
  
negative.code: Friedrich Hopfner,
  Friedrich Karl Schmidt,43
  Friedrich Katz,206
  Friedrich Kessler,185
  Friedrich L. Bauer,
  Friedrich Paneth,14
  Friedrich Sauter,39
  