diff --git a/wp-includes/template-functions-bookmarks.php b/wp-includes/template-functions-bookmarks.php
index 0171770eff..3ec336492b 100644
--- a/wp-includes/template-functions-bookmarks.php
+++ b/wp-includes/template-functions-bookmarks.php
@@ -383,6 +383,7 @@ function get_bookmarks($args = '') {
 	if ($limit != -1)
 		$query .= " LIMIT $limit";
 
-	return $wpdb->get_results($query);
+	$results = $wpdb->get_results($query);
+	return apply_filters('get_bookmarks', $results, $r);
 }
 ?>
\ No newline at end of file
diff --git a/wp-includes/template-functions-category.php b/wp-includes/template-functions-category.php
index ae9a344dae..d76cf0acc2 100644
--- a/wp-includes/template-functions-category.php
+++ b/wp-includes/template-functions-category.php
@@ -450,7 +450,7 @@ function &get_categories($args = '') {
 	if ( $child_of || $hierarchical )
 		$categories = & _get_cat_children($child_of, $categories);
 
-	return $categories;
+	return apply_filters('get_categories', $categories);
 }
 
 ?>
diff --git a/wp-includes/template-functions-post.php b/wp-includes/template-functions-post.php
index 11a9232519..ae39d3ce61 100644
--- a/wp-includes/template-functions-post.php
+++ b/wp-includes/template-functions-post.php
@@ -351,6 +351,7 @@ function &get_pages($args = '') {
 	$query .= " ORDER BY " . $sort_column . " " . $sort_order ;
 
 	$pages = $wpdb->get_results($query);
+	$pages = apply_filters('get_pages', $pages, $r);
 
 	if ( empty($pages) )
 		return array();