Formas alternativas del nombreRitchie, John, fl. 1771-1799
Fuentes consultadas1. WWW VIAF, 30/11/2018 https://viaf.org/viaf/54023093/#Ritchie,_John
2. Chart of the Northern Part of the Bay of Bengal, 1772: (John Ritchie)
3. WWW BNE cat., 30/11/2018: (Ritchie, John (Militar))