S.A. South Africa; South America; South Australia.
Sa. Saturday.
s.a., secundum artem=According to art; sine anno=Without date.
S.A.I., Son Altesse Imperiale (Fr.). His Royal Highness.
Sam. Samuel.
Sarum. Of Salisbury.
S.A.S., Societatis Antiquariorum Socius=Fellow of the Society of Antiquaries.
Sat. Saturday.
S.C. South Carolina; Senatus Consuetum=A decree of the Roman Senate.
s.c., s. caps., sm. caps. Small capitals.