http://codex.wordpress.org/wp_list_bookmarks
category:
(string) Comma separated list of numeric Category IDs to be displayed. If none is specified, all Categories with bookmarks are shown. Defaults to (all Categories).
Example:
wp_list_bookmarks('category=X&category_name=blogs')
X = the category ID number you want to be displayed.
Thread Starter
748037
Thanks Xamataca but that didn’t solve the problem. The two different lists are still showing twice.
Please, post the code you are using to list the bookmarks in your sidebar.