https://stellafane.org/tm/index.html has good guides. There are astronomy forums such as CloudyNights with their own ATM sections. Edmind Optics has All About Telescopes by Sam Brown available online - https://www.edmundoptics.com/ViewDocument/All%20About%20Tele...

There are so many books around this and many great website such as this one for example: https://www.bbastrodesigns.com/tm.html

I wanted to know as well! The resources I found, though, don't mention anything about what is the safety precautions one should take about the dust generated in the process. What masks to use and such. I understand everything should be done wet, but I wanted to know, for example, if one should wear a mask when polishing with cerium oxide even when wet. Maybe I'm being too cautions of this? I do fear what I don't understand! It's hard to make decisions without numbers. If anyone has any info on this please let me know! :)

You might be lucky enough that a local museum regularly hosts a telescope making workshop. In the SF Bay Area you can go to the Chabot Space & Science Center on Fridays 7-10pm.