Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "JJ Isler". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on April 18, 2020. Full name: Jennifer J. Fetter Isler)
Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "JJ Isler". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on April 18, 2020. Full name: Jennifer J. Fetter Isler)