- Author: Bouillon Hardy, Radnitzky Gerard
- Language: German
- Year: 1991
- Author: Hayek Friedrich August von, Bouillon Hardy
- Language: German
- Year: 2022
- Author: Jorg Hardy (editor) Professor of Philosophy George Rudebusch (editor)
- Language: English
- Year: 2014
- Author: Hardy F. Schloer, Maihai I. Spariosu
- Language: English
- Year: 2016
V 3 Laches
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- Author: Jörg Hardy
- Language: German
- Year: 2014
- Author: Jörg Hardy
- Language: German
- Year: 2000
- Author: 珍妮．W．哈帝（Janet W. Hardy）、朵思．伊斯頓（Dossie Easton）
- Language: Chinese
- Year: 2019
- Author: 珍妮．W．哈帝（Janet W. Hardy）、朵思．伊斯頓（Dossie Easton）
- Language: Chinese
- Year: 2019