- Author: Ralph Waldo Emerson
- Language: Turkish
- Year: 2022
- Author: Jane Gray, Ruth Geraghty, David Ralph
- Language: English
- Year: 2017
- Author: Elizabeth Vandiver, Ralph Keen, Thomas D. Frazel
- Language: English
- Year: 2010
- Author: Ralph Bolton Enrique Mayer
- Language: English
- Year: 1977
English traits
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- Author: Ralph Waldo Emerson Howard Mumford Jones
- Language: English
- Year: 1966
- Author: Gerd Tellenbach Ralph Francis Bennett
- Language: English
- Year: 1948
- Author: Ralph P. Locke
- Language: English
- Year: 2015
- Author: Abdallah Laroui, Ralph Manheim
- Language: English
- Year: 2015
- Author: Ralph W. Mathisen
- Language: English
- Year: 1989