- Author: Nancy L. Simpson-Younger (editor), Margaret Simon (editor)
- Language: English
- Year: 2020
- Author: Lesley Byrd Simpson
- Language: English
- Year: 2023
- Author: Mariano Azuela, Lesley Byrd Simpson
- Language: English
- Year: 2020
- Author: Lesley Byrd Simpson
- Language: English
- Year: 2019
- Author: Alfonso Martinez De Toledo, Lesley Byrd Simpson
- Language: English
- Year: 2020
Simple Curiosity
pdf
- Author: George Gaylord Simpson (editor), Lèo F. Laporte (editor)
- Language: English
- Year: 2020
- Author: Trish Hafford-Letchfield (editor), Paul Simpson (editor), Paul Reynolds (editor)
- Language: English
- Year: 2021
- Author: Paul Simpson (editor), Paul Reynolds (editor), Trish Hafford-Letchfield (editor)
- Language: English
- Year: 2021
- Author: Stephen Jivraj (editor), Ludi Simpson (editor)
- Language: English
- Year: 2015
- Author: Graeme Simpson, Vicky Price
- Language: English
- Year: 2007