Dasa Paramitha - Sources Where can I find sutras describing about the 10 paramithas and the 3 types of paramithas in the pali cannon? I couldn't find a proper sutra on it.
You can find a study guide here by Thanissaro Bhikkhu: The Ten Perfections
A Study Guide
There seem to be four types of perfection, and not three.

Passages in this guide are drawn from the Pali canon and from the teachings of Ajaan Lee Dhammadharo.

The four determinations:
One should not be negligent of discernment,
should guard the truth,
be devoted to relinquishment,
and train only for calm.

— MN 140

You can find a further commentary here by Bhikkhu Bodhi: A Treatise on the Paramis
From the Commentary to the Cariyapitaka