1
general::
Phrase(s): leaf through something
Go to thumb through something.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Turn pages, as in browsing or searching for something. For example, There she sat, leafing through the various catalogs. This expression employs leaf in the sense of "turn over the leaves of a book," a usage dating from the mid-1600s.
American Heritage Idioms