1955. 14 pp. Argo Books Archive. {Revised version in Das Geheimnis der Universität (1958), pp. 201-213 (“Der Sinn des Kalenders in Rom”).} [1. The Ten Month Year in Ancient Rome; 2. The Latin Year; 3. The Sopdit year; 4. Survey.] Unpublished.Reel 9, Item 489. – 1955