Richer, [110], [112], [115]

Riese, A., [119]

Robertson, [81]

Robertus Cestrensis, [97], [126]

Rodet, [5], [44]

Roediger, J., [68]

Rollandus, [144]

Romagnosi, [81]

Rosen, F., [5]

Rotula, [60]