Deep Throat was a porn movie that came out in 1972. Harry Reems starred in the movie and was indicted for conspiracy to distribute obscenity across state lines in 1976. His conviction was later overturned.
The love letter Mr. Stephens recited by James Joyce:
You are my only love.
You have me completely in your power.
I know and I feel that if I am to write anything fine and noble in the future I shall do so only by listening by the doors of your heart.
I would like to go through life side by side with you, telling you more and more until we grew to be one being together until the hour should come for us to die.
This pilot episode is set on July 4th weekend 1976, but at the beach they play 'Go Your Own Way' by Fleetwood Mac which wasn't released in the States 'til December 76.