Letterproef. Enschedé en Zonen, Joh. Trinité 1, 2, 3. 1982 : ASA types. A typographic publication of Autologic SA, Switzerland. June 1982, number 2. Trinite 1, 2, 3A bookface in three variations designed in association with the firm of Joh. Enschede for Autologic's photosetters.