This refernce work provides a list of bibilographical entries for books and periodical articles related to Northern Ontario. The geographical area covered is that part of the province which lies north of the Canadian National Railway running from Cochrane through Kapuskasing and Hearst to Sioux Lookout. With references to all aspects of this section of Canada, the compilers have included the following topics: Archaeology, Botany, Boundaries, Economics and Development, Entomology, Ethnology, Forestry, Ichthyology, Invertebrate Zoology, Linguistics, Mammalogy, Medicine, Meterology, Ornithology, Paleontology, and Transportation. An author index to the entire work, and a map, have been added for further clarity. This bibliography, a first gathering of information on this particular area to Canadian studies, will be invaluable to people in government and those who are interested in various aspects of life in the province of Ontario.