Classification by subject is inevitably somewhat inadequate, since many of the files
for downloads fit into multiple categories.
Most of the
money downloads are also relevant to
economics, for example.
The holistic nature of
Altruism inevitably means that such a system has its flaws... :(
Move the mouse over the download icon to show the size of each download.
= Listen to this Download
= Download From This Server
= Download From Remote Server
= Download Alternative Format File From This Server
The icons should help you judge the level of material.
Academics will principly be interested in Papers:
Other readers may prefer other media types: