De Re Diplomatica

… after the famous 17th-century work De Re Diplomatica Libri VI, by Jean Mabillon, a member of the scholarly Benedictine congregation of Saint-Maur. Mabillon’s work first made the study of old documents a reputable science.

…of his colleagues, Mabillon wrote De Re Diplomatica (1681; supplement, 1704), in which he established the principles for determining the authenticity and dates of medieval manuscripts. De Re Diplomatica founded the science of diplomatics—the critical study of the formal sources of history—and practically created Latin paleography, the science fundamental to…

…Mabillon, in his great work De re diplomatica (1681), for determining the authenticity of a document by the writing and the style of the terminology. These techniques have developed during three centuries into the modern sciences of paleography and diplomatics, by which various scripts and formulas can be assigned to…

Jean Mabillon (1632–1707), in his De re diplomatica (1681), which can be regarded as the founding work of diplomatics, or the study of charters. Mabillon’s methodology was comprehensive—he examined ink, parchment, and handwriting style and compared one charter with others. Indeed, he did his work so well that little has…