- Author: Himanshu Prabha Ray (editor)
- Language: English
- Year: 2019
- Author: Ajit Mishra (editor) Tridip Ray (editor)
- Language: English
- Year: 2017
- Author: Niharranjan Ray (editor), Raja Rammohun Roy
- Language: English
- Year: 1974
- Author: R C Ray (Editor)
- Year: 2008
- Author: R C Ray (Editor)
- Year: 2006
Drilling Wastes
pdf
- Author: F.R. Englehardt (Editor), A.H. Gillam (Editor), J.P. Ray (Editor)
- Year: 1989
- Author: Didier Montet (Editor), Ramesh C. Ray (Editor)
- Year: 2011
- Author: Celeste Ray (editor) Manuel Fernández-Götz (editor)
- Language: English
- Year: 2019
- Author: Ellen Roy Sibnarayan Ray (editor)
- Language: English
- Year: 1979