Higher algebra; a sequel to Elementary algebra for schools, 2026-02-15T21:42:27+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Hall, H. S. (Henry Sinclair), 1848-1934; Knight, S. R. (Samuel Ratcliffe) (Macmillan, St. Martins Press, 1960)