Hastings' Dictionary of the Bible (1898)
LORD. This word is in our translation of the O.T. the rendering of the two Hebrew words "Jehovah" and "Adonai." When it represents the former, which may be considered a proper name, it is printed with capitals. Gen 15:4. When it represents the latter, of which it is the translation, it is printed with a capital initial. Ps 97:5, etc.