For a limited period Cambridge University Press has made a number of rock art publications freely available.
The Cosquer Cave on Cape Morgiou, Marseilles
Who painted that? The authorship of Schematic rock art at the Los Machos rockshelter in southern Iberia
A rare miniature and small-scale stencil assemblage from the Gulf of Carpentaria: replication and meaning in Australian rock art
A rare depiction of a butchering scene in the rock paintings of Maser in Madhya Pradesh, India
Illuminating the cave, drawing in black: wood charcoal analysis at Chauvet-Pont d'Arc Comment