The State Archives in Mons present the personal collection of Serge Ghiste (1934–2021), engineer, teacher, and dedicated historian of Mons. The archive documents the city’s history, neighbourhoods, churches, traditions, and folklore through geotechnical maps, plans, photographs, and thematic files. This carefully organised collection reflects Ghiste’s extensive research and his strong connection to the city of Mons. It is now available for consultation at the State Archives in Mons.Les Archives de l’État à Mons dévoilent le fonds personnel de Serge Ghiste (1934–2021), ingénieur, enseignant et inlassable explorateur de sa ville natale. Cet ensemble exceptionnel éclaire l’histoire de Mons, ses quartiers, ses églises, ses traditions et son folklore à travers cartes géotechniques, plans, photographies et dossiers thématiques. Méticuleusement structuré, il témoigne de la rigueur scientifique de Ghiste et de son profond attachement à la cité.The records described in this inventory are held at the State Archives in Mons (inventory code 524 - AEM.04.034).This inventory is the fixed published version dated 31-10-2025. For the dynamic inventory under active revision, including recent updates and additions, please consult our online search platform AGATHA (see link below under Identifiers/URL). In AGATHA, you can also request the archival items you wish to consult in the reading room.