Dictionary of Roman Coin Inscriptions by Stewart J. Westdal has been revised several times since first issuance in 1971. It was originally titled "A Guidebook for the Identification of Roman Coin Inscriptions". This is the latest edition of 1995 and has several thousand Roman Coin Inscriptions with indications of who the rulers were and where the coins were issued. It also includes Greek inscriptions on Roman - Provincial Coinage.