Home › Authors › Gertrude Whipple 👤 Gertrude Whipple 5 books Books by Gertrude Whipple Upgrading elementary reading p Upgrading elementary reading programs 1966 Something to read and do Something to read and do 1964 Our earth, (Whipple & James basal geographies) 1947 Using our earth 1947 Procedures used in selecting s Procedures used in selecting school books 1936