anchor.diff:  Robin Oliver Gandy,5
   Robin Tolmach Lakoff,75
   Robin Warren,211
  -Robion Kirby,
  +Robion Kirby,77
   Robley C. Williams,
   Robley D. Evans,146
   Roderic Ai Camp,178
  
positive.code: Richard Levins,
  Richard Lewontin,
  Richard Lindzen,301
  Richard Lower,
  Richard Lynn,
  Richard M. Myers,
  Richard Manning Karp,
  Richard Martin Willstätter,
  Richard Montague,200
  
negative.code: Rudolf Peierls,147
  Rudolf Pfeiffer,214
  Rudolf Schnackenburg,328
  Rudolf Von Jaksch,14
  Rudolf Wegscheider,
  Rudolph A. Marcus,57
  Rudolph Marcus,125
  