On the Herschel family, and on Jacob in particular, see MichaelHoskin, The Herschel partnership: As viewed by Caroline (Cambridge, 2003); and idem (ed.), The autobiographies of Caroline Herschel (Cambridge, 2003).
2.
“Caroline destroyed every page of her Journals which contained any reference to this period of her life”, Constance LubbockA. (granddaughter of William, writing with the full family archives before her), The Herschel chronicle (Cambridge, 1933), 176.