SQL> select * from dictionary
  2  where upper(comments) like '%PRIV%' or upper(comments) like '%GRANT%'
  3  order by table_name desc;

TABLE_NAME                     COMMENTS
------------------------------ --------------------------------------------------
USER_TAB_PRIVS_RECD            Grants on objects for which the user is the grante
                               e

USER_TAB_PRIVS_MADE            All grants on objects owned by the user
USER_TAB_PRIVS                 Grants on objects for which the user is the owner,
                                grantor or grantee

<snip>

select * from user_tab_privs where table_name = 'ALIAS_LIBRARY';