- Author: Chandra Hardy
- Language: English
- Year: 2023
- Author: Barbara Hardy
- Language: English
- Year: 2016
- Author: Francesca Minnie Hardy
- Language: English
- Year: 2022
- Author: James D. Hardy M.D.
- Language: English
- Year: 2017
- Author: James D. Hardy Jr. (editor), John H. Jensen (editor), Martin Wolfe (editor)
- Language: English
- Year: 2018
- Author: William Hardy McNeill
- Language: English
- Year: 2019
- Author: Isaiah Berlin (editor), Henry Hardy (editor), Avishai Margalit (editor)
- Language: English
- Year: 2013
- Author: John O. Iatrides, William Hardy McNeill
- Language: English
- Year: 2015
- Author: Isaiah Berlin (editor), Henry Hardy (editor), Enrique Krause (editor)
- Language: English
- Year: 2014
- Author: Isaiah Berlin (editor), Henry Hardy (editor), John Gray (editor)
- Language: English
- Year: 2013