tag:blogger.com,1999:blog-6965900894967856741.post5327389120569503062..comments2023-09-28T17:28:44.839+02:00Comments on turning pages: Learning arithmeticEllen van de Sandehttp://www.blogger.com/profile/01984075840016129667noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6965900894967856741.post-85022279172358611882011-03-15T23:20:15.398+01:002011-03-15T23:20:15.398+01:00O, I remember these from way back (late sixties).
...O, I remember these from way back (late sixties).<br />Great find!bklopsthttps://www.blogger.com/profile/02731313944236961270noreply@blogger.com