Schöpfer
- Robert A Solberg1
- Robert A Terrell1
- Robert B Shaw1
- Robert C Gallagher1
- Robert C Kurka1
- Robert C Lamb1
- Robert D Glenn1
- Robert D Rienow1
- Robert E Bossdorf1
- Robert F Sims1
- Robert I Grove1
- Robert K Miller1
- Robert L Tollison1
- Robert N Randall1
- Robert S Bullock1
- Robert Waldo Jewett1
- Roberts C Smith1
- Roger Eugene Daniels1
- Roger J Mealiff1
- Roger S Ross1