The main inconsistencies in punctuation are in series or
introductory phrases.
Inconsistent
the apples, oranges, and pears on one page and
the apples, oranges and pears on the next (no serial
comma separating oranges from and pears)
In 1970 the Russians on one page and In 1970,
the Russians on the next
Consistent
the apples, oranges, and pears on both pages
In 1970 the Russians on both pages
