The dataset contains data extrapolated from the letters of Pope Gregory VII (d. 1085), based on the English translation by H. Cowdrey.

Year/month/date columns – these record the date in which each letter was sent.
Book/number – these record the place of each letter in Gregory VII’s Register.
Place – this column records the destination of each letter
Point/region – this column records whether the location of the letter was a particular place or a general region
Locate_As – this column shows how the location was mapped, if the actual destination could not be shown on a map
Recipient – this column records the social status of the letter’s recipient
Clerical/Secular – this column records whether the recipient was a cleric or a secular person
Individual/Several/Group – this column records whether the recipient was a particular person, a group of particular people, or a general group
Location of pope – this column records where the pope sent the letter from
Locate_as_pope – this column shows how the pope’s location was mapped, if the actual location could not be mapped
Number of words - this column records the number of words in the letter (estimate based on English translation)
Gender – this column records the gender of the recipient
Encouragement – this column records the tone of the letter
Revisit – this column recorded notes in the creation of the data (now blank)
Notes – this column records any relevant contextual information
Lat/Lon/Geo – these columns record the longitudes and latitudes of the locations mentioned

Data compiled by George Litchfield with supervision by Charles West and Tom Stafford, July 2020. The project was funded by the Department of History, University of Sheffield.
For more details, see the project description.