Opt (disambiguation) (current) Alexander Archipenko Jammu and Kashmir (princely state) Mare Orientale Chinguetti Gambian mongoose Venus and Adonis (Shakespeare poem) New class Baddeley's model of working memory William Conybeare (geologist) Topological ordering Massachusetts Institute of Technology academics Overhead lines American College of Obstetricians and Gynecologists BBC Board 2014 Thuringian state election Sign languages England in the Middle Ages