Tzehirner's Essay, [400];

Apologetik, pref. [xix].

Ullmann, [250].

Unbelief, see [Cause], [Subjective].

Uniformities of Causation and Co-existence, [79].

Unigenitus Bull, [165].

Union of German churches, [282].

Unitarianism, history of, and works on, [392] seq.

Universities, German, [219], [223];

that of Paris attacked for Pantheism, [299].