125 See Pékarski, _Learning and Literature in Russia under Peter the
Great_. (In Russian) St. Petersburg, 1862. Vol. ii., pp. 469‐481.
126 Amongst the various writings in which Prokopovitch develops this
thought might be noticed one which has for its title _An Historical
Disquisition on the quality of pontiffs or high‐priests of idol‐
worship possessed by the Roman emperors, both pagan and Christian;
for what reason, and in what sense they possessed it, and whether,
in the Christian law, Christian sovereigns can be called Bishops and
Pontiffs, and in what sense_. St. Petersburg, 1721. See _Pékarski_,
_op. cit._, vol ii., p. 519.
127 Mgr. Plato, _Orthodox Doctrine; or, Christian Theology Abridged_.
(In Russian) St. Petersburg, 1st ed., 1765; 2d ed., 1780.
128 See “The Act of Succession to the Throne of Russia,” April 5, 1797,
_Compl. Coll._, Vol. xxiv. (17,910).
129 See the Ukases of the 3d Nov., 1798 (18,734), and of the 11th Dec.,
1800 (19,684). See also on this subject our book: _The Popes of Rome
and the Popes of the Oriental Church_. London: Longmans, 1871, pp.
78‐81.
130 _La Russie sera‐t‐elle Catholique?_ Par le Père J. Gagarin, S.J.
Paris: Douniol, 1856.