Sacrobosco, I, 360.
Sadler, T., I, 238, 241.
Saint-Martin, I, 167, 168, 206.
St.-Mesmin, M. de., I, 280.
St. Vincent, G. de., I, 110, 117.
St. Vitus, Patron of Cyclometers, II, [60].
Sales, de, I, 167.
Salicetus, I, 64.
Salisbury, Earl of (1st), II, [330].
Salmasius, Claudius, II, [168].