This document provides historical references that will help understand the play "Death of a Salesman". It lists people like Gene Tunney and Red Grange, places like Ebbets Field, vehicles like the 1940s Studebaker and 1928 Chevrolet, and technologies like the wire recorder that were around in the 1940s setting of the play. It also mentions exams, watches, and banker J.P. Morgan as other contextual references included to aid comprehension.