The Computer as a Communication Device
technicshistory.com
technicshistory.com
The human aspect of computer mediated communications is likewise fascinating. NJIT's Murray Turoff and Starr Roxanne Hiltz performed substantial research into the problems we still face in collaborating and communicating electronically, including issues of reputations for pseudonymous personages and anonymity and beneficial mechanisms to support them. More so they implemented it in the EIES system.
Their book "A Network Nation" remains in print and relevant. https://www.powells.com/book/network-nation-revised-edition-...
https://www.a2hosting.com/blog/how-email-became-an-important...
I have a lot of respect for the authors of the linked article (not me, the OP!) because I know how much research my own article took. I can imagine theirs was a lot more.