Exploring regions of the United States / [electronic resource] / Herbert H. Gross ... [et al.].. — Annotated teacher's ed., new rev.. — Chicago : : Follett Educational Corp.,, c1971.. — TG80, 383 p. : : ill., maps ; 27 cm.
Grade 5. Teacher's guide by Ben F. Ahlschwede for both Exploring regions of the Western Hemisphere and Exploring regions of the United States.