K.St.G.G. means Knight, Order of Saint Gregory the Great in Religion
Similar to K.St.G.G.
ACFS - Assumption College For SistersACFW - American Christian Fiction Writers
ACHF - Association of Christian Homeschool Families
ACIC - Anglican Communion In Canada
ACIL - Ateneo Catechetical Instruction League
ACIM - A Course In Miracles
ACIP - Anglican Council of Indigenous People
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