Read the license notice.
On March 2, 2009, an archive of all previously submitted sounds was uploaded to pdsounds.org. It went down a few weeks later.
The administrator of pdsound.org was Stephan M?bius [Librivox profile].
This backup is being managed by Iwan Gabovitch [site].
Check out this list of 3D, 2D and audio resources under free licenses.
A discussion on this backup was started on the FreeGameDev Forums.
There's some discussion about a revival of pdsounds.org.
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