Some of my questions about agama and sutta and abhidharma have been ast addressedanswered! This book just arrived: Ganguly, Swati. Perspectives on Evolution of Buddhism: An Analysis of the Chinese Buddhist Texts : Papers Based on Chinese, Pali and Sanskrit Sources of Early Buddhism. Eastern Book Linkers, 2002.
This showed up and turned out to talk about many questions I had. I paid half of what it goes for on AMAZON though. It's $50 there.
ORIGIN OF ABHIDHARMA 1
DEVELOPMENT OF THE SEVEN FUNDAMENTAL ABHIDHARMA TEXTS PRESERVED IN CHINESE 22
EARLY ABHIDHARMA PHILOSOPHY AND PRACTICES: AN ANALYSIS OF THE A-PI TA-MO-FA- WN- TSU-LUN (ABHIDHARMA-DHARMA SKANDHA-PADASASTRA) 44
CLASSIFICATION OF ELEMENTS IN THE A -PT- TA - MO-PTN-LEI- TSU-LUN (ABHIDHARMA-PRAKARANA-PADASASTRA) 154
APPENDIX: INTRODUCTION OF SARVASTIVADA ABHIDHARMA IN CHINA: A STUDY ON SANGHADEVA 187
SELECT BIBLOGRAPHY 196
Sorry for the krut-zhi scan of the contents page.