Bo Giertz, "Liturgi och Väckelse ", in Herdabrev till prästerskapet och församlingarna i Göteborg stift, 1949, 171 p., (“Liturgy and Spiritual Awakening”), chapter trans. from his "Pastoral letter to clergy and congregations in the Diocese of Gothenburg" by Clifford Ansgar Nelson, Augustana Book Concern, 1954, 32 p. ASIN B0007F2ACO; also available as downloadable PDF from 2003 LCMS Commission on Worship, 8 p.
