Scope and Contents The Standard collection spans 8 boxes and dates from?????The Correspondence series dates between 1957 and 1992 and spans four boxes. The dated folders date between 1964 and 1992. The Commendatory folders date between 1967 and 1992 and contain letters praising the Standard. The Critical folders date between 1964 and 1992 and contain letters of disapproval sent to the Standard. The Letters with Writers are to and from the ...