I thought I saw the movie in 1968 or '69, which would have meant I saw it with Maureen, but it turns out that it was released in 1972. Which complicates things, as I was dating four or five women that year, three of whom I could have taken to the movie. I wish I had kept a diary!
The author, in his introduction, mentions a glossary. At least, I thought he did. Now, I can find no mention of it.