Sollier, Joseph. "Love (Theological Virtue)." The Catholic Encyclopedia. Vol. 9. New York: Robert Appleton Company, 1910. 3 Aug. 2020 .This article was transcribed for New Advent by Gerard Haffner.Ecclesiastical approbation. Nihil Obstat. October 1, 1910. Remy Lafort, Censor. Imprimatur. +John M. Farley, Archbishop of New York.