diff --git a/VERSION b/VERSION
index ee4c1b2e..d62d896a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.6.17
+2.6.18
diff --git a/doi-pages/doi-redirect.tsv b/doi-pages/doi-redirect.tsv
new file mode 100644
index 00000000..8fd56e33
--- /dev/null
+++ b/doi-pages/doi-redirect.tsv
@@ -0,0 +1,61 @@
+hubmap_id	landing_page_to_register	data_information_page	doi
+HBM377.WFSM.936	test_landing_page1	https://purl.humanatlas.io/omap/1-human-lymph-node-ibex/v1.	https://doi.org/10.35079/HBM377.WFSM.936
+HBM522.KQLL.594	test_landing_page2	https://purl.humanatlas.io/asct-b/lymph-vasculature/v1.5	https://doi.org/10.35079/HBM522.KQLL.594
+HBM838.CHFF.356	test_landing_page3	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM528.GWLG.472	test_landing_page4	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM286.QFNP.554	test_landing_page4	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM846.LZCV.363	test_landing_page5	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM663.DHKQ.865	test_landing_page6	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM629.BDQB.527	test_landing_page7	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM676.GTXH.329	test_landing_page8	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM653.SJPF.374	test_landing_page9	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM656.ZKVH.979	test_landing_page10	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM957.HKNH.796	test_landing_page11	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM639.WWMD.883	test_landing_page12	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM683.KXSC.925	test_landing_page13	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM353.CWQW.535	test_landing_page14	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM425.GDQX.743	test_landing_page15	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM646.WTZK.555	test_landing_page16	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM722.FWCH.887	test_landing_page17	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM284.KHZR.923	test_landing_page18	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM999.RGNX.353	test_landing_page19	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM236.WBVX.927	test_landing_page20	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM387.GWMM.369	test_landing_page21	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM283.JWPZ.657	test_landing_page22	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM678.SJXK.375	test_landing_page23	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM744.HXCC.628	test_landing_page24	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM523.FTSL.294	test_landing_page25	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM428.VFLB.998	test_landing_page26	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM646.LHSJ.765	test_landing_page27	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM226.CSDM.832	test_landing_page28	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM673.QFPX.636	test_landing_page29	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM967.WHNN.233	test_landing_page30	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM638.XQKL.755	test_landing_page31	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM428.HCDN.258	test_landing_page32	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM765.TCFP.373	test_landing_page33	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM698.RZDG.587	test_landing_page34	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM974.DJSV.344	test_landing_page35	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM443.ZFRL.298	test_landing_page36	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM858.WBVC.362	test_landing_page37	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM298.LDDB.387	test_landing_page38	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM253.VXLN.367	test_landing_page39	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM556.VHXG.898	test_landing_page40	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM674.XVGG.736	test_landing_page41	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM749.SCVF.253	test_landing_page42	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM425.QWWF.933	test_landing_page43	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM837.HCJN.829	test_landing_page44	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM288.RSVK.723	test_landing_page45	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM346.DFPP.785	test_landing_page46	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM646.NHKK.829	test_landing_page47	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM577.XHHB.694	test_landing_page48	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM449.BMVS.455	test_landing_page49	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM737.CVZK.963	test_landing_page50	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM244.DLVB.376	test_landing_page51	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM589.XHFM.629	test_landing_page52	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM442.NPRG.337	test_landing_page53	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM769.WSLR.852	test_landing_page54	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM447.MXVB.286	test_landing_page55	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM585.JSKG.833	test_landing_page56	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM437.GKTS.458	test_landing_page57	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM965.PTTW.982	test_landing_page58	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
+HBM854.FKSW.462	test_landing_page59	https://purl.humanatlas.io/asct-b/main-bronchus/v1.2	https://doi.org/10.35079/HBM467.LMBG.759
diff --git a/src/app.py b/src/app.py
index 0bb46f15..4cd24fb4 100644
--- a/src/app.py
+++ b/src/app.py
@@ -265,29 +265,37 @@ def http_internal_server_error(e):
 ## sets the reference_redirects dict which is used
 ## by the /redirect method below
 try:
+    csv_reader_list = []
     reference_redirects = {}
     url = app.config['REDIRECTION_INFO_URL']
+    url2 = app.config['SECONDARY_REDIRECTION_INFO_URL']
     # Use Memcached to improve performance
     response = schema_manager.make_request_get(url)
     resp_txt = response.content.decode('utf-8')
     cr = csv.reader(resp_txt.splitlines(), delimiter='\t')
-
-    first = True
-    id_column = None
-    redir_url_column = None
-    for row in cr:
-        if first:
-            first = False
-            header = row
-            column = 0
-            for label in header:
-                if label == 'hubmap_id': id_column = column
-                if label == 'data_information_page': redir_url_column = column
-                column = column + 1
-            if id_column is None: raise Exception(f"Column hubmap_id not found in {url}")
-            if redir_url_column is None: raise Exception (f"Column data_information_page not found in {url}")
-        else:
-            reference_redirects[row[id_column].upper().strip()] = row[redir_url_column]
+    csv_reader_list.append(cr)
+    response2 = schema_manager.make_request_get(url2)
+    resp_txt2 = response2.content.decode('utf-8')
+    cr2 = csv.reader(resp_txt2.splitlines(), delimiter='\t')
+    csv_reader_list.append(cr2)
+    
+    for csv_reader in csv_reader_list:
+        first = True
+        id_column = None
+        redir_url_column = None
+        for row in csv_reader:
+            if first:
+                first = False
+                header = row
+                column = 0
+                for label in header:
+                    if label == 'hubmap_id': id_column = column
+                    if label == 'data_information_page': redir_url_column = column
+                    column = column + 1
+                if id_column is None: raise Exception(f"Column hubmap_id not found in {url}")
+                if redir_url_column is None: raise Exception (f"Column data_information_page not found in {url}")
+            else:
+                reference_redirects[row[id_column].upper().strip()] = row[redir_url_column]
     rr = redirect('abc', code = 307)
     print(rr)
 except Exception:
diff --git a/src/instance/app.cfg.example b/src/instance/app.cfg.example
index 37b4f792..d6449698 100644
--- a/src/instance/app.cfg.example
+++ b/src/instance/app.cfg.example
@@ -84,4 +84,6 @@ DOI_REDIRECT_URL = 'https://portal.hubmapconsortium.org/browse/<entity_type>/<id
 # OLD: https://raw.githubusercontent.com/hubmapconsortium/ccf-releases/main/reference-entity-ids.tsv
 # New URL in use since 7/2/2024 following the HRA 2.1 release
 REDIRECTION_INFO_URL = 'https://cdn.humanatlas.io/digital-objects/reference-entity-ids.tsv'
+#Replace with correct branch in the url for secondary redirection info url
+SECONDARY_REDIRECTION_INFO_URL = #'https://raw.githubusercontent.com/hubmapconsortium/entity-api/refs/heads/<branch>/doi-pages/doi-redirect.tsv'