What are good resources to study the Abhidhamma of Central/South Asia Schools (e.g. Sthaviravāda, Sarvāstivāda, Dharmaguptaka, Mūlasarvāstivāda, etc.)

Question

What are good resources and references (ideally online) to learn Abhidhamma from school of Buddhism in Central/South Asia (Sthaviravāda, Theravada, Sarvāstivāda, Dharmaguptaka, Mūlasarvāstivāda, etc.).

NB: I am aware of BPU BPhil 3rd Year Lecture Notes. So I am looking for resource other than this.

Answer 1

Here is what I found:

• Series of audio lectures on Sarvastivada Abhidharma with accompanying slides by Bhikkhu Dhammajoti.

• Sarvastivada Abhidharma, book by Bhikkhu Dhammajoti.

Also see this question and answer by RobM for a link to Bhikkhu Bodhi's "Comprehensive Manual of Abhidhamma" downloadable as PDF.