Beniston, Judith, and Ritchie Robertson (eds). 1999. Catholicism and Austrian Culture (= Austrian Studies, 10)

Ogden, Mark. 1991. The Problem of Christ in the Work of Friedrich Hölderlin, Bithell Series of Dissertations, 16 (MHRA)

Timms, Edward, and Ritchie Robertson (eds). 1991. The Austrian Enlightenment and its Aftermath (= Austrian Studies, 2)