How can I know how many tome of knowledge I delivered?

Question

I don't know how many tomes of  knowledge I already delivered, is there any way to know?

Answer 1

In your questlog under The New Frontier questline you'll find your Tome of Knowledge Counter if you scroll all the way down. I'll attach how it looks in my questlog, where you're able to see that I've delivered nine of them
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Comments

Yes, this is the perfect answer and explanation I was just about to do the same. Thanks for the screen shot!