Grove 2007, ப. 80 Grove, Richard H. (2007), "The Great El Nino of 1789–93 and its Global Consequences: Reconstructing an Extreme Climate Even in World Environmental History", The Medieval History Journal, 10 (1&2): 75–98, doi:10.1177/097194580701000203
Grove 2007, ப. 83 Grove, Richard H. (2007), "The Great El Nino of 1789–93 and its Global Consequences: Reconstructing an Extreme Climate Even in World Environmental History", The Medieval History Journal, 10 (1&2): 75–98, doi:10.1177/097194580701000203
Hall-Matthews 2008, ப. 4 Hall-Matthews, David (2008), "Inaccurate Conceptions: Disputed Measures of Nutritional Needs and Famine Deaths in Colonial India", Modern Asian Studies, 42 (1): 1–24, doi:10.1017/S0026749X07002892