Christian Worship Texts: c. 1200 - 1300 CE

Psalter [written c. 1300 CE; presently held in Koln, Cathedral Library, Codex 260; entire document has been digitized; follow links to Codex 260]

Valkenburg Gradual [written 1299 CE; presently held in Koln, Cathedral Library, Codex 1001b; entire document has been digitized; follow links to Codex 1001b]
 
Bible with select Masses [written in Latin 13C CE; presently held in Oxford, Bodleian Library, MS. Lat. bib. e. 7; document partially digitized] 
 
Cistercian Missal [written in Latin at Pontigny, France, 1203-1214 CE; presently held in Oxford, Bodleian Library, MS Bywater adds. 2]

Portable Franciscan Missal [written in Latin at Cornwall, England, 1255-1260 CE; presently held in Oxford, Bodleian Library, MS Lat. liturg. f. 26; follow links to 2 images from this document]

Kristina Psalter [written at Paris c. 1230 CE; presently held in Copenhagen, Royal Library, Gl. kgl. S. 1606 4o; entire document has been digitized; click on illuminations and click through document)
  
The "Worcester Fragments" [15 original leaves from MSS of polyphonic music in Latin recovered from late-medieval bindings of Worcester Cathedral Priory late 13C - early 14C CE; presently held at Oxford, Bodleian Library, MS. Lat. liturg. d. 20]