1. Geology of the Austin Brook and Brunswick No. 6 sulphide deposits, Gloucester County, New Brunswick;Boyle;Geol. Surv. Can. Paper 63-24,1964
2. Geology of the Bathurst-Xewcastle mineral district, New Brunswick;Smith;Bull. Can. Inst. Min. Met.,1958
3. Geology of iron deposits in Canada, Vol. 1. General geology and evaluation of iron deposits;Gross;Geol. Surv. Can. Econ. Geol. Rep. No. 22,1965
4. Geology of iron deposits in Canada, Vol. 2. Iron deposits in the Appalachian and Grenville regions of Canada;Gross;Geol. Surv. Can. Econ. Geol. Rep. No. 22,1967
5. Ferruginous-siliceous formations of Palaeozoic age in Kazakhstan;Novokhatsky,1970