Canonical letters

letters of several kinds, formerly given by a bishop to traveling clergymen or laymen, to show that they were entitled to receive the communion, and to distinguish them from heretics.

See also: canonic

References in periodicals archive ?
Alan Nadel in "The Integrated Literary Tradition" deals with how Ellison's works relate to the challenging presences and invisibility of white American canonical letters.
Along with his Canonical Letters, they also originate the principle of regular Confession.
To the question whether baptism administered outside the Church is valid, the several canonical letters, especially those addressed to Amphilochios, provide some answers according to the various levels of separation from the mainstream Church.