The Pre-Historical Period
- Summary of pre-historical period of Namibia with special emphasis on Rock Art by Klaus Dierks.
- http://www.klausdierks.com/Chronology/1.htm

Ancestral Bushman (San) Rock Art
- Overview of Rock Art by the San People in Southern Africa.
- http://www.lonker.net/art_african_1.htm

Southern African rock art
- Rock art at Rice is an introduction to prehistoric and historic rock art with an emphasis on pictographs (paintings) and petroglyphs (engravings.
- http://www.ruf.rice.edu/~raar/RegionsSAarticle.html

Rock Art at Süderecke, Namibia
- Photo's and description of Rock Art at the Südenecke site.
- http://mc2.vicnet.net.au/home/vhra/web/suderecke.html

Southern African Rock-Art Sites
- Overview and relationship report on rock art sites in Southern Africa by Janette Deacon, in collaboration with members of the Southern African Rock Art Project.
- http://www.icomos.org/studies/sarockart.htm

Rock Art of Twyfelfontein, Namibia
- A Survey into the Relationship between Animal-Engravings and Cupules By Maarten van Hoek. Including the Site Report on Twyfelfontein by Sven Ouzman
- http://www.bradshawfoundation.com/twyfelfontein/

Twyfelfontein Rock Art Photos
- Photo gallery of Twyfelfontein rock engravings.
- http://www.phototravels.net/namibia/damaraland-twyfelfontein.html

Index to Twyfelfontein
- Links to several research projects and concerns in respect to the Twyfelfontein rock art.
- http://www.arch.soton.ac.uk/Research/Gidlow/