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