Before: The Formation and Continuation of Nichiren Buddhism’s Identity: An Exclusive and Persecuted Community, Then and Now
After: An Exclusive and Persecuted Religious Community, Then and Now: Nichiren Buddhism to Soka Gakkai
I decided to just drop the main title and let the original subtitle draw you in. I feel that it definitely catches the eye more than "The Formation and Continuation of Nichiren Buddhism's Identity"