Original:  These new histories are similar to the academic , in that they are large and done by many people by a similar process of allocation, but they do not have the same all-specifying concept of classification;
Revised:  Some new global histories resemble the academic histories are similar to the academic , in that they are large and done by many people by a similar process of allocation, but they do not have the same all-specifying concept of classification;
Edit intent: clarity