Are there usable free sources for (symphonic) orchestra scores?
I'm talking about legal sources for pieces that are now in public domain.
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from my bookmarks:
plus in French:
Don't overlook your local library. I find that university libraries (especially when they have a music program) will have a lot more sheet music than you might think (if your library uses Library of Congress indexing, look under
M). Many city public libraries carry orchestral and operatic scores as well (usually at the "main" or "downtown" branch).
To add to @cardian's list:
http://musicaviva.com/fsmd/ (link no longer to music site on 7 Sept 20)
One more: http://www.mutopiaproject.org/
Along the lines of @Tangurena's mention of the local library, you can check things out (pun intended) globally through inter-library loan. Try looking at https://www.worldcat.org/.