Watchman, A.L., David, B., McNiven, I.J., and Flood, J.M. (2000) Micro-archaeology of engraved and painted rock surface crusts at Yiwarlarlay (the Lightning Brothers site), Northern Territory, Australia. Journal of Archaeological Science, 27 (4). pp. 315-325.

Watchman, Alan, Tacon, Paul, Fullagar, Richard, and Head, Lesley (2000) Minimum ages for pecked rock markings from Jinmium, north western Australia. Archaeology in Oceania, 35 (1). pp. 1-10.

Watchman, Alan (2000) A review of the history of dating rock varnishes. Earth-Science Reviews, 49 (1-4). pp. 261-277.