<div class="card card-primary">
<div class="card-header"><i class="fa fa-rss"></i> Publications</div>
<ul class="card-menu trim-that">
<?php
wp_get_archives( array(
'type' => 'postbypost',
'echo' => 1,
'order' => 'ASC',
'limit' => 6
) );
?>
</ul>
</div>