5) "Catalog Of Things To Come"
This elaborate brochure circa 1945 features an optimistic and futuristic look at life in America across multiple aspects as WWII was ending. It was produced by Boston printer John Carter & Co. which was trying to generate more revenue by encouraging firms to use Carter to print brochures to help sell their goods in post-war America. Many of the themes and topics here can be seen in the early days of Disneyland, WDW and EPCOT.
2) 1967 California World's Fair
50 page archive of documents and newsletters related to the never-built 1967 World's Fair in Long Beach, California. According to documents in the archive the fair was supposed to run 4/3-10/30 in both 1967 and 1968 with anywhere from 40-50 million people attending and cost $400M.