Columbia subject headings:
Communication--Philosophy.
Communication--Religious aspects--Christianity.
Thomas, Aquinas, Saint, 1225?-1274.
Harvard subject headings:
Princeton subject headings:
Communicare (The Latin word)
Communication--Philosophy--History--To 1500.
Communication--Religious aspects--Christianity.
Latin language, Medieval and modern--Lexicography.
Thomas, Aquinas, Saint, 1225?-1274.