John Spaul continues his up-dating of Conrad Cichorius' articles in Real-encyclopadie der Altertumswissenschaft with this complete documentation of the epigraphic sources for cohorts of the Roman army. His complementary volume Ala 2 is still available. Contents: Cohortes Ciuium Romanorum; Cohortes Provinciae Sardiniae, Lusitaniae, Hispaniae, Galliae, Britanniae, Germaniae, Alpium, Raetiae & Norici, Dalmatiae, Pannoniae, Moesiae & Macedoniae, Senatus, Orientis, Australia, Aliae & Alienae. The catalogue is followed by a broad discussion of cohorts and their deployment around the Roman Empire.