diff --git a/corpus/version.py b/corpus/version.py
index 02a9f49..cf539a5 100644
--- a/corpus/version.py
+++ b/corpus/version.py
@@ -16,7 +16,7 @@ class Version():
  
     version=corpus.__version__
     date = '2020-09-10'
-    updated = '2023-11-18'
+    updated = '2023-11-19'
     
     doc_url="https://wiki.bitplan.com/index.php/ConferenceCorpus"
     chat_url="https://github.com/WolfgangFahl/ConferenceCorpus/discussions"
diff --git a/corpus/web/cc_webserver.py b/corpus/web/cc_webserver.py
index 88ade7f..eda2252 100644
--- a/corpus/web/cc_webserver.py
+++ b/corpus/web/cc_webserver.py
@@ -36,13 +36,10 @@ def __init__(self):
         self.event_series_api=EventSeriesAPI(self.lookup)
         
         @app.get('/eventseries/{name}')
-        def get_eventseries(name:str): 
-            bks=""
-            reduce=False
-            markup_format="json"
-
-            event_series_dict=self.event_series_api.getEventSeries(name, bks, reduce)
-            response=self.event_series_api.convertToRequestedFormat(name, event_series_dict, markup_format)
+        def get_eventseries(name: str, bks: str = "", reduce: bool = False, format: str = "json"):
+            # Use the parameters directly in the API calls
+            event_series_dict = self.event_series_api.getEventSeries(name, bks, reduce)
+            response = self.event_series_api.convertToRequestedFormat(name, event_series_dict, format)
             return response
  
     def setup_home(self):
diff --git a/corpus/web/eventseries.py b/corpus/web/eventseries.py
index 39baef8..bbf8df6 100644
--- a/corpus/web/eventseries.py
+++ b/corpus/web/eventseries.py
@@ -7,13 +7,13 @@
 from ngwidgets.orjson_response import ORJSONResponse
 from fastapi.responses import FileResponse
 from tabulate import tabulate
-from typing import Any,List
+from typing import List
 from spreadsheet.spreadsheet import ExcelDocument
 from corpus.lookup import CorpusLookup
 
 from corpus.datasources.openresearch import OREvent, OREventSeries
 from corpus.eventseriescompletion import EventSeriesCompletion
-from datetime import date,datetime
+from ngwidgets.markup_header import MarkupHeader
     
 class EventSeriesAPI():
     """
@@ -173,9 +173,14 @@ def convertToRequestedFormat(self, name: str, dictOfLods: dict, markup_format: s
 
         else:
             # Using tabulate for other formats (including HTML)
-            tabulated_content = tabulate([lod for lod in dictOfLods.values()], headers="keys", tablefmt=markup_format)
+            all_tables = ""
+            for source, lod in dictOfLods.items():
+                if isinstance(lod, list):
+                    table = tabulate(lod, headers="keys", tablefmt=markup_format)
+                    table_header=MarkupHeader.get_markup(source, markup_format=markup_format, level=1)
+                    all_tables += table_header +"\n"+ table
             media_type = "text/plain" if markup_format.lower() != "html" else "text/html"
-            return Response(content=tabulated_content, media_type=media_type)
+            return Response(content=all_tables, media_type=media_type)
 
 @dataclass
 class MetadataMappings:
diff --git a/tests/test_restful_apis.py b/tests/test_restful_apis.py
index 220b033..e52c488 100644
--- a/tests/test_restful_apis.py
+++ b/tests/test_restful_apis.py
@@ -50,4 +50,21 @@ def test_event_series_api(self):
             if debug:
                 print(f"Event Count: {event_count}")
             self.assertEquals(expected_sources,sources)
-            self.assertTrue(expected_event_count<=event_count)
\ No newline at end of file
+            self.assertTrue(expected_event_count<=event_count)
+            
+    def test_event_series_api_formats(self):
+        """
+        test different markup formats
+        """   
+        test_series=[
+            ("AISI","")
+        ]     
+        debug=True
+        for name,needle in test_series:
+            for markup_format in ["github"]:
+                path=f"/eventseries/{name}?format={markup_format}"
+                markup=self.get_html(path)
+                if debug:
+                    print(f"{markup_format}:")
+                    print(markup)
+            
\ No newline at end of file