  In this paper we study Ramanujan sums $c_{\bf m}(\bf n)$, where
  $ {\bf m}$ and ${\bf n}$ are integral ideals in an arbitrary quadratic number
field. We give some new results about the asymptotic behavior of sums of
$c_{\bf m}(\bf n)$ over both $ {\bf m}$ and $ {\bf n}$.
