Scottish Language Dictionaries (SLD) is Scotland's lexicographical body for the Scots Language. SLD is responsible for the major Scots dictionaries, the Dictionary of the Older Scottish Tongue and the Scottish National Dictionary. Since 2004, all 22 volumes of these major texts have been available, free, via the internet, as the Dictionary of the Scots Language. Scottish Language Dictionaries () is a Limited Company and Registered Charity in Scotland (SC230070).