Palaeography is the study of old handwriting.

Palaeography for Family and Local Historians
The Palaeography of Gothic Manuscript Books: From the Twelfth to the Early Sixteenth Century
Reading Early American Handwriting
Books Before Print
The Oxford Handbook of Latin Palaeography
Writing Sounds in Carolingian Europe: The Invention of Musical Notation (Cambridge Studies in Palaeography and Codicology Book 15)
The Renaissance Reform of the Book and Britain: The English Quattrocento
Palaeography, Manuscript Illumination and Humanism in Renaissance Italy: Studies in Memory of A. C. de la Mare
Sixteenth-Century Readers, Fifteenth-Century Books: Continuities of Reading in the English Reformation
Reading in Medieval St. Gall
The Production of Books in England 1350 1500
Vision and Meaning in Ninth-Century Byzantium: Image as Exegesis in the Homilies of Gregory of Nazianzus
The Book of Hebrew Script: History, Palaeography, Script Styles, Calligraphy & Design
Latin Palaeography
Medieval Calligraphy: Its History and Technique