This is issue 2 dated Summer 1964. I don't remember any other issues.
A couple of Speech Day programmes from 1967 and 1968. Here's a page from one of them, including the school hymn.
I've bundled it all into a handy zip which you can download from here http://www.mediafire.com/download/0qcgu1j93v6643e/St._Mary%27s_memorabilia.zip
Sorry, the link has been dead for a while. Now re-upped 18 January 2016