SPECTACULARSECRET f. 1989
SPECTACULAR BID (USA) - SECRET RUMOR (USA), by DAMASCUS (USA)

SPECULUM (GB) c. 1865
VEDETTE (GB) - DORALICE (GB), by

SPEED () c. 0000
- , by

SPEEDWELL f. 1960
BOLD RULER (USA) - IMPERATRICE (USA), by CARUSO (---)

SPELLCAST (USA) f. 1988
FAPPIANO (USA) - MYSTERY MOOD (USA), by NIGHT INVADER (USA)

SPEND A BUCK (USA) c. 1982
BUCKAROO (USA) - BELLE DE JOUR (USA), by SPEAK JOHN (USA)

SPENDTHRIFT (USA) c. 9999
AUSTRALIAN (GB) - AEROLITE (USA), by LEXINGTON (---)

SPEZIA () f. 0000
- , by

SPION KOP c. 1917
SPEARMINT (GB) - HAMMERKOP (---), by

SPIRAL GEM (BRZ) f. 1958
ROYAL GEM II (AUS) - SPIRAL PASS (BRZ), by PHARAMOND II (GB)