The Socioecology Of Elephants: Analysis Of The Processes Creating Multitiered Social Structures. (2005)
The Numbers And Distribution Patterns Of Large Mammals In The Ruaha- Rungwa Area Of Southern Tanzania (1982)
The Last Sahelian Elephants. Ranging Behavior, Population Status And Recent History Of The Desert Elephants Of Mali. (2003)
The Effect Of The New Standard Gauge Railway (Sgr) On Elephant Movement In Tsavo Ecosystem, Kenya (March 2016 – March 2018) (2018)