1. Joan Bybee, Revere Perkins and William Pagliuca, eds, The Evolution of Grammar: Tense, Aspect, and Modality in the Languages of the World (Chicago, IL, 1994), 181
2. 'spiritedness' as a relation of mind and heart through blood from θυμóς, see Christopher A. Faraone, 'Thumos as Masculine Ideal and Social Pathology in Ancient Greek Magical Spells', in Susanna Braund and Glenn W. Most, eds, Ancient Anger: Perspectives from Homer to Galen (Cambridge, 2003), 144-62.
3. Pillorget, ‘From a Classical to a Serial and Quantitative Study of History’, 208.
4. Charles Seignobos, ‘L’Inconnu et l’inconscient en histoire’, BSfP, 8 (1908): 217–47, 219.
5. Charles Seignobos, ‘Les Conditions pratiques de la recherche des causes dans le travail historique’, BSfP, 7 (1907): 261–99, 263.