IMSLP Forums

There is this site containing a substantial collection a violin sheet music with scores that have not been uploaded onto IMSLP. The url is below.

http://violinsheetmusic.org/

Lots of the type of thing that drives copyright reviewers crazy. Tons of arrangements with no arranger credits at all, ditto for editors. From my spot checking, most is probably PD. Knowing who the arranger or editor is, when the item was published and by whom are all quite important for determining copyright status. If an arranger or non-urtext editor died less than 50 years ago (with rare exceptions), they are not allowed at IMSLP.