If you're not sure exactly what you're looking for, you may find it useful to browse the Library shelves at the following call number ranges:
PS 8001-PS 8649 Canadian Literature
PS 8001-PS8039 General
PS 8041-PS8057 Canadian literary criticism (as a subject)
PS 8061-PS8227 History and criticism of Canadian literature
PS 8111-PS 8117 By period
PS 8129-PS 8133 By region ...
PS 8139-PS 8227 Special forms
PS 8139-PS 8159 Poetry
PS 8179-PS 8199 Prose and prose fiction
PS 8231-PS 8379 Collections of Canadian literature
PS 8400-PS 8649 Individual authors
Authors are classified by name and period of productivity; works by an author are followed by biography and criticism