There is a lot of great music in the Internet Archive:
Bartok’s Violin Concerto No.2 played by Yehudi Menuhin
http://www.archive.org/flow/flowplayer.commercial-3.0.5.swf?0.3933595411057
Ernest Bloch’s Violin Concerto played by Josef Szigeti
http://www.archive.org/flow/flowplayer.commercial-3.0.5.swf?0.05154117365974975
Prokofiev’s Violin Concerto No.1 played by Josef Szigeti
http://www.archive.org/flow/flowplayer.commercial-3.0.5.swf?0.46397444243605185
Poulenc’s Sonata for Violin and Piano
http://www.archive.org/flow/flowplayer.commercial-3.0.5.swf?0.8487472167947698
Aram Khachaturian’s Violin Concerto (performed on violin and piano)
http://www.archive.org/flow/flowplayer.commercial-3.0.5.swf?0.5697744155003956
Here’s a concertn of American music for piano and violin:
http://www.archive.org/flow/flowplayer.commercial-3.0.5.swf?0.688840546612263
And there are even things that I’m pretty sure you won’t find anywhere else. Here’s Aviva Hakanoglu (the soloist on some of the other tracks I shared) playing a very short violin concerto she herself composed:
http://www.archive.org/flow/flowplayer.commercial-3.0.5.swf?0.18636337895382537
If you prefer something more modern, here’s Violin on Fire by Diana Netchaeva
http://www.archive.org/flow/flowplayer.commercial-3.0.5.swf?0.5770044779790083
And last but not least, if you prefer something a bit older, here’s Niccolo Paganini’s Violin Concerto No.1 played by Yehudi Menuhin
http://www.archive.org/flow/flowplayer.commercial-3.0.5.swf?0.5019263433877135
Those should give you enough to listen to and enjoy for a little while…