1. Notes on the subsurface stratigraphy and oil and gas geology of the Lower Cretaceous series in Central Alberta;Badgley;Geol. Surv. Can., Paper 52-11,1952
2. Palynology of the Lower Colorado Group (Late Lower Cretaceous) and its Lithological Equivalents in Central and West Central Alberta, Canada;Brideaux,1968
3. The measurement of interspecific association;Cole;Ecology,1949
4. Determination and analysis of recurrent groups;Fager;Ecology,1957
5. Lexicon of Geologic Names in the Western Canada Sedimentary Basin and Arctic Archipelago,1960