Arevalo, C. G. (1959). Some aspects of the theology of the Mystical Body of Christ in the ecclesiology of Giovanni Perrone, Carlo Passagla and Clemens Schrader: Theologians of the Roman College in the mid-nineteenth century. Pontificiae Universitatis Gregoriana.

Arevalo, C. G. Some Aspects of the Theology of the Mystical Body of Christ in the Ecclesiology of Giovanni Perrone, Carlo Passagla and Clemens Schrader: Theologians of the Roman College in the Mid-nineteenth Century. Romae: Pontificiae Universitatis Gregoriana, 1959.

Arevalo, C. G. Some Aspects of the Theology of the Mystical Body of Christ in the Ecclesiology of Giovanni Perrone, Carlo Passagla and Clemens Schrader: Theologians of the Roman College in the Mid-nineteenth Century. Pontificiae Universitatis Gregoriana, 1959.