prerevisionist
adjective
pre·re·vi·sion·ist ˌprē-ri-ˈvi-zhə-nist 
variants or pre-revisionist
: of, relating to, or being a time before a revision of something (such as a prevailing idea about society or history) has occurred
prerevisionist views
readings of prerevisionist sources
the prerevisionist 1950s
Word History
First Known Use
1970, in the meaning defined above