Hello Tim,
Here are a few additions to your list from my bookshelf:
Jaina saahitya kaa bRhad itihaasa. 7 vols. (various authors). Varanasi: Paarzvanaath VidyaapiiTh, 1989–98 (2nd ed.) (1st ed. 1966–81)
Jagdishchandra Jain, Prakrit Narrative Literature. Origin and Growth. New Delhi: Munshiram Manoharlal, 1981.
Albrecht Weber's Sacred Literature of the Jains. An Account of the Jaina Aagamas. Ed. by G. C. Lalwani & S. R. Banerjee. Calcutta: Jain Bahawan, 1999.
K. L. Chanchreek & M. K. Jain, Jain Agamas. An Introduction to Canonical Literature. New Delhi: Shree Publishers & Distributors, 2004.