@LaurieB   For your inquiry from the chat roll:

Does anyone know where I can find trios for three violins?

A few violin trio books that I have that I think are good (if you Google search the titles, there are several places to purchase them):

First Trio Album for Three Violins, Whistler & Hummel, Rubank Educational Library #164

Progressive Trios for Violin (26 Trios That Can Be Played by Any Combination of String Instruments), Gazda, Carl Fischer

American Patriotic Tunes for String Ensemble, Violin edition, Gardner, Alfred Music  (Note: The violin and viola books of this title include the melody and two harmony lines, so the violin book is for 3 violins).

Some other resources online that I’ve used:

Sheetmusicplus.com (has books & downloadable formats):

https://www.sheetmusicplus.com.....olin+trios

This one has some free downloads:

https://www.8notes.com/school/.....iolin+trio