RT @dhaydenceltic
One for the medical historians on this first #InternationalDayofOgham: an Irish tract on uroscopy written partly in ogam script by the early 16th-century North Connacht doctor Conla Mac an Leagha (@Library_RIA MS 24 B 3, p. 31):
#histmed #OG_H_AM #ShowUsYourOgham