Casting the net far and wide: Aggregating and harmonizing epistolary metadata in collaboration with cultural heritage institutions. - Senka Drobac; Johanna Enqvist; Petri Leskinen; Muhammad Faiz Wahjoe; Heikki Rantala; Mikko Koho; Ilona Pikkanen; Iida Jauhiainen; Jouni Tuominen; Hanna-Leena Paloposki; Matti La Mela; Eero Hyvönen (DH, 2023)