diff --git a/src/tei2imxml.py b/src/tei2imxml.py
index d299252..86ab4c5 100755
--- a/src/tei2imxml.py
+++ b/src/tei2imxml.py
@@ -1082,6 +1082,60 @@ def handle_refs_default(ref):
     for ref in eoa_ref:
         handle_refs_default(ref)
 
+    ############
+    # Indexing #
+    ############
+    #  indexName="person"><term corresp="https://www.wikidata.org/wiki/Q6882">James Joyce</term></index>"
+    index_entries = xml_tree.xpath("//t:body//t:index", namespaces=NS_MAP)
+    for entry in index_entries:
+        # hier weiter!
+        pass
+
+    ########
+    # Math #
+    ########
+
+    # <EOAineq src="EOAineq_7_1.png" TeX="\sqrt{9} = 3"/>
+    inline_equations = xml_tree.xpath("//t:body//t:formula[@rend='inline' and @notation='tex']", namespaces=NS_MAP)
+    for equation in inline_equations:
+        tex_formula = equation.text
+        formula_tail = equation.tail
+        equation.clear()
+        equation.tag = "EOAineq"
+        equation.set("TeX", tex_formula)
+        png_file = "oh dear"
+        equation.set("src", png_file)
+        equation.tail = formula_tail
+
+    block_equations = xml_tree.xpath("//t:body//t:ab[@type='equation']", namespaces=NS_MAP)
+    for equation in block_equations:
+        # take care of nonumber, as well
+        equation.tag = "ACHTUNGstillsomeworktodo"
+
+    sub_equations = xml_tree.xpath("//t:body//t:ab[@type='subequations']", namespaces=NS_MAP)
+    for equation in sub_equations:
+        # take care of nonumber, as well
+        equation.tag = "ACHTUNGstillsomeworktodo"
+        pass
+
+    equationarrays = xml_tree.xpath("//t:body//t:ab[@type='equationarray']", namespaces=NS_MAP)
+    for equation in equationarrays:
+        # take care of nonumber, as well
+        equation.tag = "ACHTUNGstillsomeworktodo"
+        pass
+
+    # <ab type="theoremdeclaration" xml:id="theorem1">My Theorem</ab>
+    # <ab type="theoreminstance" corresp="#theorem1">A statement.</ab>
+    # theorems =
+
+    #############
+    # Chemistry #
+    #############
+    # <formula notation="mhchem" rend="inline">2HCO3^- + Ca^2+ &lt;=&gt; CaCO3 + CO2 + H2O</formula>
+    inline_chemo = xml_tree.xpath("//t:body//t:formula[@rend='inline' and @notation='mhchem']", namespaces=NS_MAP)
+    for chem in inline_chemo:
+        pass
+
     return xml_tree
 # def transform_body ends here