diff --git a/src/NodaIDGetter.php b/src/NodaIDGetter.php
new file mode 100644
index 0000000..0e92b2e
--- /dev/null
+++ b/src/NodaIDGetter.php
@@ -0,0 +1,174 @@
+<?PHP
+/**
+ * Contains class NodaIDGetter.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+declare(strict_types = 1);
+
+/**
+ * Contains static functions for getting IDs for noda entries by various means.
+ */
+final class NodaIDGetter {
+
+    /**
+     * Returns persinst ID by entry in persinst name rewriting table.
+     *
+     * @param MDMysqli $mysqli_noda Database connection.
+     * @param string   $lang        Language to check in.
+     * @param string   $name        Name of the persinst to search for.
+     *
+     * @return integer
+     */
+    public static function getPersinstIDByRewrite(MDMysqli $mysqli_noda, string $lang, string $name):int {
+
+        if (empty($name)) return 0;
+
+        $persinstRewriteResult = $mysqli_noda->query_by_stmt("
+            SELECT `persinst_id`
+            FROM `persinst_rewriting`
+            WHERE `language` = ?
+                AND `input_name` = ?
+            LIMIT 1", "ss", $lang, $name);
+
+        if ($persinstRewriteData = $persinstRewriteResult->fetch_row()) {
+            $output = $persinstRewriteData[0];
+        }
+        else $output = 0;
+
+        $persinstRewriteResult->close();
+        $persinstRewriteResult = null;
+
+        return $output;
+
+    }
+
+    /**
+     * Returns persinst ID by entry in persinst translations table.
+     *
+     * @param MDMysqli $mysqli_noda Database connection.
+     * @param string   $lang        Language to check in.
+     * @param string   $name        Name of the persinst to search for.
+     *
+     * @return integer
+     */
+    public static function getPersinstIDByTransName(MDMysqli $mysqli_noda, string $lang, string $name):int {
+
+        if (empty($name)) return 0;
+
+        $persinstByTLNameResult = $mysqli_noda->query_by_stmt("
+            SELECT `persinst_id`
+            FROM `persinst_translation`
+            WHERE `trans_name` = ?
+                AND `trans_language` = ?
+            LIMIT 2", "ss", $name, $lang);
+
+        if ($persinstByTlData = $persinstByTLNameResult->fetch_row()) {
+            $output = $persinstByTlData[0];
+        }
+        else $output = 0;
+
+        $persinstByTLNameResult->close();
+        $persinstByTLNameResult = null;
+
+        return $output;
+
+    }
+
+    /**
+     * Returns place ID by entry in place name rewriting table.
+     *
+     * @param MDMysqli $mysqli_noda Database connection.
+     * @param string   $lang        Language to check in.
+     * @param string   $name        Name of the place to search for.
+     *
+     * @return integer
+     */
+    public static function getPlaceIDByRewrite(MDMysqli $mysqli_noda, string $lang, string $name):int {
+
+        if (empty($name)) return 0;
+
+        $placeRewriteResult = $mysqli_noda->query_by_stmt("
+            SELECT `ort_id`
+            FROM `ort_rewriting`
+            WHERE `language` = ?
+                AND `input_name` = ?
+            LIMIT 1", "ss", $lang, $name);
+
+        if ($placeRewriteData = $placeRewriteResult->fetch_row()) {
+            $output = $placeRewriteData[0];
+        }
+        else $output = 0;
+
+        $placeRewriteResult->close();
+        $placeRewriteResult = null;
+
+        return $output;
+
+    }
+
+    /**
+     * Returns place ID by entry in place translations table.
+     *
+     * @param MDMysqli $mysqli_noda Database connection.
+     * @param string   $lang        Language to check in.
+     * @param string   $name        Name of the place to search for.
+     *
+     * @return integer
+     */
+    public static function getPlaceIDByTransName(MDMysqli $mysqli_noda, string $lang, string $name):int {
+
+        if (empty($name)) return 0;
+
+        $placeByTLNameResult = $mysqli_noda->query_by_stmt("
+            SELECT `ort_id`
+            FROM `ort_translation`
+            WHERE `trans_name` = ?
+                AND `trans_language` = ?
+            LIMIT 2", "ss", $name, $lang);
+
+        if ($placeByTlData = $placeByTLNameResult->fetch_row()) {
+            $output = $placeByTlData[0];
+        }
+        else $output = 0;
+
+        $placeByTLNameResult->close();
+        $placeByTLNameResult = null;
+
+        return $output;
+
+    }
+
+    /**
+     * Returns tag ID by entry in tag name rewriting table.
+     *
+     * @param MDMysqli $mysqli_noda Database connection.
+     * @param string   $lang        Language to check in.
+     * @param string   $name        Name of the tag to search for.
+     *
+     * @return integer
+     */
+    public static function getTagIDByRewrite(MDMysqli $mysqli_noda, string $lang, string $name):int {
+
+        if (empty($name)) return 0;
+
+        $tagRewriteResult = $mysqli_noda->query_by_stmt("
+            SELECT `tag_id`
+            FROM `tag_rewriting`
+            WHERE `tag_language` = ?
+                AND `input_name` = ?
+            LIMIT 1", "ss", $lang, $name);
+
+        if ($tagRewriteData = $tagRewriteResult->fetch_row()) {
+            $output = $tagRewriteData[0];
+        }
+        else $output = 0;
+
+        $tagRewriteResult->close();
+        $tagRewriteResult = null;
+
+        return $output;
+
+    }
+
+}