Related Clues:

• Thrice: Lat.
• Three times, in an Rx
• Prefix with centennial
•     Lit ___ (college course)
• Three: Prefix
• Rx instruction
• Thrice, in Rx's
• Lit ___
• Lit --- (Eng. course)
• Three, to start with
• Three times, in Rx's
• Brief review
• Lit ___ (English major's class)
• Short review?
• Rx specification