Hardcastle was one of 156 British women who publicly supported the aims of the International Congress of Women, held in The Hague in April 1915.
Frances Hodgson Burnett | Frances Fox Piven | Frances McDormand | Hurricane Frances | Frances Spence | Frances Curran | Frances | Paul Hardcastle | Mary Frances Berry | Frances Yates | Frances Itani | Frances Hyde, Countess of Clarendon | Frances Bean Cobain | Frances Lankin | Frances Black | Frances Arnold | Frances Parkinson Keyes | Frances Moore Lappé | Frances Conroy | Frances Carr, Countess of Somerset | Frances Burney | Frances Bavier | Agnes Mary Frances Duclaux | Frances Wood | Frances Wilson Grayson | Frances Villiers, Countess of Jersey | Frances Stewart | Frances Sternhagen | Frances Senska | Frances Ruffelle |