In fact the liturgical poetry of the medieval Hebrew poets is non-sectarian and can be appreciated by any lover of the literature of ecstasy.
"The Literature of Ecstasy"
Albert Mordell
sectarian institutions, so-called, or those which require a majority of their trustees, officers, faculty, or students to belong to a specified sect, or which impose any theological test whatever, were excluded by the terms of the gift.
"History of the United States, Volume 6 (of 6)"
E. Benjamin Andrews
When he was told of this he smiled, for he did not aim at attacking mere sectarian beliefs; with Bakounin, he swore that there must be total destruction of all existing institutions, or-nothing!
"Melomaniacs"
James Huneker