that date of is not a date of publication it is more likely a date of composition which the site tends to use more than dates of publicationsee below the play was published first in in a literary magazine encore and subsequently published by various publishers such as methuen in the uk and grove press in the us in various revised editions one needs to do more advanced research to make such distinctions among possible dates of composition and dates of publication accurately pinter's works have a very complex compositional and publishing history please see the bio bibliographical note hosted on the nobel prize site for related critical resources if one wants more accurate information than is currently in this wikipedia entry the entry still needs substantial revision and editing cleanup i'm adding a cleanup tag on the article dates on pinter's website often tend to be dates of final composition and or dates of first performance and not dates of first publication and or dates of film tv release several sections of his website were compiled by research assistants tasked with such work and by his multiple assistants beginning in around when the website was launched there are sometimes typographical and other errors in the sections some works were published long after they were first written e g his novel the dwarfs when not confusing one tries to use those dates or clarifies discrepancies otherwise did some cleanup of this article added some citations and additional sources for verification and further reading