(4).--Mansi, G. D., _Sacrorum Conciliorum Nova et Amplissima Collectio_. 31 vols. Flor., 1759-98. Most complete collection to 1509. New edition now out. 2.--Bulls, Acts, Briefs, Rescripts, and Regests: (1).--_Bullæ Diversorum Pontificum a Joanne XXII. ad Julium III. ex Bibliotheca Ludovici Gomes._ Rome, 1550. This is the oldest collection, but it contains only fifty documents. (2).--Cherubini made the first comprehensive collection of bulls and briefs from Leo I. to 1585. It is known as the _Magnum Bullarium Romanum_. (3).--Maynardus, _Bullarium Magnum_. 19 vols. Luxemb., 1739-68. Contains bulls from Leo I. to Benedict XIV. (4).--Coquelines made a similar collection at Rome in 14 vols., 1733-48. Barbarini added 6 more vols. Rome, 1835. (5).--Tomassetti has made the latest collection of bulls from Leo I. to the nineteenth century. 25 vols. Turin, 1857-72. (6).--The best collections of early papal briefs were made by Coustant, Paris, 1721; Schoenemann, Götting., 1796; Thiel, Braunsberg, 1867-8. (7).--Jaffé, P., _Regesta Pontificum Romanorum_ (to 1198). Ber., 1881-88. 2 vols. (8).--Potthast, A., _Regesta Pontificum_. (1198 to 1304). Ber., 1873. 2 vols. (9).--Kehr, _Regesta Pontificum Romanorum_ (to 1198). Berlin, 1906-7. 2 vols. (10).--The _Liber Pontificalis_ gives the history of the popes down to the end of the ninth century. Duchesne's ed. the most complete. Rome, 1886-92. Mommsen's ed. excellent. (11).--Mirbt, C., _Quellen zur Geschichte des Papsttums_. 2d ed., 1903. 3.--Creeds, Liturgies, and Hymns: (1).--Walch, C. W. F., _Bibliotheca Symbolum Vetus_. Lemgo., 1770. (2).--Niemeyer, A. H., _Collectio Confessionum in Ecclesiis Reformatis Publicatarum_. Leipz., 1840. (3).--Kimmel, E. J., _Monumenta Fidei Ecclesiæ Orientalis_. Jena, 1843-50. 2 vols. (4).--Heurtley, C. A., _Harmonia Symbolica_. Oxf., 1858. (5).--Denzinger, H. J. D., _Enchiridion Symbolorum et Definitionum_. Wurzb., 1888. 6th ed. (6).--Caspari, C. P., _Quellen zur Geschichte des Taufsymbols und der Glaubensregel_. Christiania, 1866-75. 3 vols. Revised in 1879. (7).--Hahn, A., _Bibliothek der Symbole und Glaubensregeln_. Berlin, 1877. 2d ed. (8).--Durandus, W., _Rationale Divinorum Officiorum_. (About 1290). Many eds. Last at Naples, 1866. (10).--Renaudot, E., _Liturgiarum Orientalium Collectio_. New ed., Paris, 1847. 2 vols. (11).--Muratori, L. A., _Liturgia Romana Vetus_. Venice, 1748. (12).--Assemani, J. A., _Codex Liturgicus Ecclesiæ Universæ_. Rome, 1749-66. 13 vols.