Integrated Transport Network (English Wikipedia)

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Paula Aucott; Humphrey Southall; Carol Ekinsmyth (11 February 2019). "Citizen science through old maps: Volunteer motivations in the GB1900 gazetteer-building project". Historical Methods. 52 (3): 150–163. doi:10.1080/01615440.2018.1559779. ISSN 0161-5440. Wikidata Q81201270.

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Paula Aucott; Humphrey Southall; Carol Ekinsmyth (11 February 2019). "Citizen science through old maps: Volunteer motivations in the GB1900 gazetteer-building project". Historical Methods. 52 (3): 150–163. doi:10.1080/01615440.2018.1559779. ISSN 0161-5440. Wikidata Q81201270.