The subseries contains materials collected by and about Les McDonald including notebooks on his union activities and his participation at the Community Party Education Camp in 1964, newspaper articles he wrote, documents related to the appeal of his suspension from IBEW Local 213, personal correspondence and photographs of IBEW Local 213 members engaging in a job action in 1965. In particular, there are a large number of postcards that he sent to his mentor, Bill Stewart, while McDonald was traveling in his bid to get the sport of triathlon into the Olympics. The subseries also contains an article Les McDonald wrote about his ascent of the North Arete in 1962 and a notebook related to the Yukon Alpine Centennial Climb conducted in 1973.