The Archivio Storico Comune in Siena is an archive which contains documentation relating to the Comune (local council). It records activities since the date the Comunità Civica was founded by Grand Duke Pietro Leopoldo in 1786. There is a great deal of ancient material here and those interested in the historic records will find prints, handwritten documents, passages of property and maps from various periods. There is a photocopying service but you need to book to gain admission.