What Are the Differences between the Violin and Viola? – K.C. Strings
All Violin Notes for Beginners [with Easy PDF Charts] - Violinspiration
This chart of note ranges by instrument : r/coolguides
The Sampled Orchestra: Part 2
Beginners: Notes on the Staff and What String They Are On - Ms. Macleod's Orchestra Page!
BASICS: Anatomy, Range, Double Strings, Chords and Velocity - Alex Greffin Klein
Dolmetsch Online - Music Theory Online - Musical Instrument Ranges & Names
I couldn't find exactly what I was looking for online, so I made this chart of violin string ranges for each string (*for 4-string violin **upper limits are approximate). Hope it helps
Dolmetsch Online - Music Theory Online - Musical Instrument Ranges & Names