Campbell, W.D. Aboriginal carvings of Port Jackson and Broken Bay. Sydney, 1899. With, Etheridge, Robert. The cylindro-conical and cornute stone implements of western New South Wales and their significance [and] The warrigal, or dingo, introduced or indigenous' Sydney, 1916. With, Etheridge, Robert. The dendroglyphs or carved trees of New South Wales. Sydney, 1918. Three volumes in one, quarto, with numerous plates and maps, binder's cloth. Marginal repairs to the first few leaves of the first volume., Memoirs of the Geological Survey of New South Wales, Ethnographical Series, Nos. 1-3, all published.