Analysis of information sources in references of the Wikipedia article "David Ogilvy, 13th Earl of Airlie" in English language version.
the Earl of Airlie, Lord–Lieutenant for Angus, 1989–2001; Lord Chamberlain, 1984–97, 87
the Earl of Airlie, Lord–Lieutenant for Angus, 1989–2001; Lord Chamberlain, 1984–97, 87