Below is a list of historic writings from the High Middle Ages!
Thietmar of Merseburg
Chroncicon (c.1012 - 1018 CE)
Michael Psellos
The Chronographia (c. 1059 - 1078 CE)
Anonymous
Deeds of the Franks (c. 1100 - 1101 CE)
Amatus of Montecassino
The History of the Normans (c. 1071 - 1080 CE)
Michael Attaleiates
The History (c. 1072 - 1079 CE)
Adam of Bremen
Deeds of Bishops of the Hamburg Church (c. 1073 - 1076 CE)
Multiple Authors
Domesday Book (c. 1086 CE)
Bernard de Clairvaux
In Praise of the New Knighthood (c. 1130 - 1136 CE)
Otto of Freising
Chronicle or The History of The Two Cities (c. 1143 - 1146 CE)
The Deeds of Frederick Barbarossa (c. 1156 - 1157 CE)
Anna Komnene
The Alexiad (c. 1143 - 1153 CE)
Osbern
The Conquest of Lisbon (c. 1147 CE)
Odo of Deuil
On Louis VII's Journey to the East (c. 1147 - 1151 CE)
Roger of Howden
Gesta Henrici II et Gesta Regis Ricardi (c. 1170 - 1192 CE)
Chronica magistri Rogeri de Hoveden (c. 1192 - 1201 CE)
Ralph de Diceto
Abbreviations of Chronicles (c. 1180 - 1189 CE)
Images of Histories (c. 1189 - 1202 CE)
John Kinnamos
Deeds of John and Manuel Comnenus (c. 1180 - 1185 CE)
Anonymous
Little Book on the Conquest of the Holy Land by Saladin (c. 1188 - 1210 CE)
Gerald of Wales
Topography of Ireland (c. 1188 CE)
Conquest of Ireland (c. 1189 CE)
Journey through Wales (c. 1191 CE)
Education of a Prince (c. 1193 - 1217 CE)
Description of Wales (c. 1194 CE)
Autobiography (c. 1204 - 1216 CE)
Life of St. Hugh of Lincoln (c. 1213 - 1220 CE)
Ambroise
The History of the Holy War (c. 1190 - 1195 CE)
Niketas Choniates
O City of Byzantium: Annals of Niketas Choniates (c. 1204 - 1217 CE)
Robert of Clari
The Conquest of Constantinople (c. 1205 - 1216 CE)
Geoffrey of Villehardouin
The Conquest of Constantinople (c. 1207 - 1213 CE)
Richard de Templo
Itinerary of King Richard (c. 1210 - 1220 CE)
Anonymous
Novgorod First Chronicle (c. 1230 - 1250 CE)
Anonymous
The Life of Alexander Nevsky (c. 1280 - 1300 CE)