- Author: Robert a Gilbert
- Language: English
- Year: 1997
- Author: Robert E. Gilbert (editor)
- Language: English
- Year: 2021
- Author: Robert E. Gilbert
- Language: English
- Year: 2021
- Author: Heinrich Begehr Robert P Gilbert
- Language: English
- Year: 2021
- Author: Robert Obert, Gilbert Gélard
- Language: French
- Year: 2017
- Author: ROBERT P.. HSIAO GEORGE C.. RONKESE ROBERT J. GILBERT
- Language: English
- Year: 2021
- Author: Michael Shoushani Robert P Gilbert and Yvonne Ou
- Language: English
- Year: 2020
- Author: Leahy Robert L.Gilbert Paul
- Language: English
- Year: 2010
- Author: Brown Michael Robert Withington, Gilbert Peter
- Language: English
- Year: 1995
