Authors: R
- Robert S Ellwood (2)
- Robert S McElvaine (1)
- Robert S McNamara (1)
- Robert S. Beecroft (1)
- Robert S. de Ropp (2)
- Robert S. Jepson, Jr. (6)
- Robert S. Johnson (3)
- Robert S. Kaplan (5)
- Robert S. Mendelsohn (7)
- Robert S. Mulliken (3)
- Robert S. Siegler (1)
- Robert Samuel (8)
- Robert Santos (1)
- Robert Sarvis (1)
- Robert Scheer (26)
- Robert Scheid (11)
- Robert Schimmel (23)
- Robert Schmitt (1)
- Robert Schuller (2)
- Robert Schumann (45)
- Robert Schwentke (1)
- Robert Scoble (8)
- Robert Sean Leonard (11)
- Robert Service (2)
- Robert Sewell (1)
- Robert Sexton (2)
- Robert Shapiro (15)
- Robert Shaw (6)
- Robert Shea (26)
- Robert Sheaffer (3)
- Robert Sheckley (30)
- Robert Sherrill (4)
- Robert Sherrod (2)
- Robert Short (1)
- Robert Silverberg (15)
- Robert Sirico (1)
- Robert Six (2)
- Robert Slade (1)
- Robert Smith (85)
- Robert Smith Surtees (9)
- Robert Smithson (45)
- Robert Sobukwe (5)
- Robert Solow (11)
- Robert Sommer (2)
- Robert South (34)
- Robert Southey (72)
- Robert Southwell (12)
- Robert Spencer (9)
- Robert Stack (36)
- Robert Stacy McCain (4)