K.St.G.G. means Knight, Order of Saint Gregory the Great in Religion
Similar to K.St.G.G.
ABC - All Believe ConfessABCOPAD - American Baptist Churches Of Pennslyvania And Delaware
ABD - Anchor Bible Dictionary
ABEC - American Baptist Extension Corporation
ABF - Adult Bible Fellowship
ABIC - A Believer In Christ
ABRF - Australian Baptist Retirement Fund
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