Posted in Science C. Th. stands for Codex Theodosianus (Latin: Theodosius Codex, Codices And Manuscripts) C. Th. Share Pinterest Tweet Whatsapp Post navigation C-TD 250 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.