"Authorized for use in the Schools of Manitoba, authorized for use in the Schools of British Columbia, authorized for use of Model School Students' of Ontario"
A high-school astronomy : in which the descriptive, physical, and practical are combined with special reference to the wants of academies and seminaries of learning
Elementary and practical arithmetic : in which have been attempted various improvements in arrangement and nomenclature, as well as in the means of thorough discipline in the principles and applications of the science
