[53] This is one of the suggestions that Adam seems to have taken from Hugh of the same community. Adam’s most frequently recurring symbols are grouped conveniently in relation to medieval habit by Misset-Aubry, pages 56-110. [54] The doctrine of transubstantiation was promulgated by Innocent III at the Fourth Lateran Council in 1215; the feast of Corpus Christi, by Urban IV in 1264, for the Thursday after Trinity Sunday. The proper hymns were written by St. Thomas Aquinas: _Lauda, Sion_ for the sequence of the Mass; _Pange, lingua_ (containing _Tantum ergo_), _Sacris sollemniis_, _Verbum supernum_ (containing _O salutaris_), for the office; _Adoro te devote_, for adoration. See AH 50: 583-591; _Britt_, pages 173-192. [55] ARP 123, 124. CHAPTER VIII _DICTAMEN_ REFERENCES AND ABBREVIATIONS Bornecque Bornecque (H.), _Les clausules métriques latines_, Lille, 1907, Travaux et mémoires de l’Université de Lille (for the ancient tradition, but including late Latin). Butow Butow (A.), _Die Entwicklung der mittelalt. Briefsteller_, Greifswald (dissertation), 1908. Clark Clark (A. C.), _The cursus in medieval and vulgar Latin_, Oxford, 1910. See also his _Fontes prosæ numerosæ_, Oxford, 1909. Clerval (as in headnote to Chapter VI). Croll Croll (M. W.), _The cadence of English oratorical prose_, Studies in philology, 16 (1919): 1-55. Fierville Fierville (C.), _Une grammaire latine inédite du xiiie siècle_, Paris, 1886. Gaudenzi Gaudenzi (A.), _Sulla cronologia delle opere dei dettatori bolognesi da Buoncompagno a Bene di Lucca_, Bulletino dell’ istituto storico italiano, 14 (1895): 85. See also in Bibliotheca iuridica medii ævi, vol. II, Bologna, 1892, his _Rainerii de Perusia ars notaria_ (page 25) and _Boncompagni rhetorica novissima_ (page 240). Hahn Hahn (S. F.), _Collectio monumentorum ..._, Braunschweig, 1724. Harmon Harmon (A. M.), _The clausula in Ammianus Marcellinus_, New Haven, 1910, Conn. Acad. of Arts and Sciences. Havet Havet (L.), _La prose métrique de Symmache ..._ Paris, 1892. Langlois Langlois (C. V.), _Formulaires de lettres ..._, six articles in NE, 34 (parts 1 and 2), 35 (part 2). Manacorda (as in headnote to Chapter VI). MGH _Monumenta Germaniæ Historica._ NE _Notices et extraits des manuscrits de la Bibliothèque Nationale...._