Hand-typed letter dated 24 December 1957 from librarian Beatrice Hager of the Municipal Reference Library to Mr. H. E. Hibler of Cambridge, Massachusetts answering a series of questions posed by Mr. Hibler to the library regarding the A.Y.P.E....
Detailed compilation of A.Y.P.E. financial and logistical information including a balance sheet, a capital stock statement, exhibit earnings and expenditures, revenue from exhibit buildings, a profit and loss account, etc. Logistical information...