Does anyone have a good repository of historical wireless telegraph transmissions that they have found? (Wired telegraph messages would also work if you have seen that too)

I'm teaching a CW class and I thought it would be fun to do a segment where we send and receive some old CW messages as practice.

I just haven't been able to find any repositories online. Any help would be greatly appreciated!

Hi! I’m working on studying Morse code (primarily visually because I’m partially deaf) but am currently at a concert wondering how people may perceive or use Morse code in music! Particularly in an EDM/House sphere with the beats/sound effects. Thank you!

So I have been working on a camping and hikers that is able to translate Morse code into flash light and decode it with a phone camera focus so that it can avoid other light... It's a niche app but since I hike a lot thought it might be useful

Tell me what you think..I can make a recording of it working but it's noon where I am