diff --git a/constants/null_bad_doi.php b/constants/null_bad_doi.php
index 33872625e6..31a54586b5 100644
--- a/constants/null_bad_doi.php
+++ b/constants/null_bad_doi.php
@@ -1553,6 +1553,7 @@
     '10.1017/S104909651400033X' => true,
     '10.1017/S1049096514000341' => true,
     '10.1017/S1049096514002157' => true,
+    '10.1017/S1049096514002170' => true,
     '10.1017/S1049096515000232' => true,
     '10.1017/S1049096515000463' => true,
     '10.1017/S104909651500116X' => true,
@@ -1642,6 +1643,7 @@
     '10.1017/s1537592703440322' => true,
     '10.1017/S1537592703530158' => true,
     '10.1017/S1537592704040174' => true,
+    '10.1017/S1537592704040290' => true,
     '10.1017/S1537592704040307' => true,
     '10.1017/s1537592704040332' => true,
     '10.1017/s153759270404040x' => true,
@@ -2238,9 +2240,11 @@
     '10.1201/9780203936115.ch7' => true,
     '10.1201/9780203970881.ch45' => true,
     '10.1201/9780203970881.ch82' => true,
+    '10.1201/9780429202971-11' => true,
     '10.1201/9780824741709.ch25' => true,
     '10.1201/9780824747343.ch11' => true,
     '10.1201/9780849390326.ch1' => true,
+    '10.1201/9781003078913-3' => true,
     '10.1201/9781315119496-17' => true,
     '10.1201/9781315151588-13' => true,
     '10.1201/9781315153094-21' => true,
@@ -2446,7 +2450,9 @@
     '10.1353/hyp.2006.0067' => true,
     '10.1353/jph.2000.0014' => true,
     '10.1355/AE13-3E' => true,
+    '10.1355/ae15-3m' => true,
     '10.1355/AE20-3F' => true,
+    '10.1355/AE26-1E' => true,
     '10.1355/CS21-3B' => true,
     '10.1355/CS22-1A' => true,
     '10.1355/CS22-2G' => true,
@@ -2886,6 +2892,7 @@
     '10.18848/1447-9516/CGP/v14i02' => true,
     '10.18874/ae.73.1-2.06' => true,
     '10.18874/ae.74.1.14' => true,
+    '10.18874/ae.74.1.22' => true,
     '10.18874/ae.74.2.02' => true,
     '10.1890/060141' => true, // 404
     '10.1891/1942-0617.1.2.135' => true,
@@ -3065,6 +3072,7 @@
     '10.2307/4452028' => true,
     '10.2307/628371' => true,
     '10.2307/628813' => true,
+    '10.2307/842986' => true,
     '10.2307/843738' => true,
     '10.2307/jcanaarthist.34.2.243' => true,
     '10.2307/jthought.42.3-4.71' => true,
@@ -3743,6 +3751,8 @@
     '10.4268/cjcmm20161617' => true,
     '10.4278/ajhp.081013-LIT-248' => true, // 404
     '10.4314/ajtcam.v9i1.16' => true,
+    '10.4324/9780080506241-8' => true,
+    '10.4324/9780080506241-9' => true,
     '10.4324/9780080544304-16' => true, // weird error
     '10.4324/9780203070710.ch10' => true,
     '10.4324/9780203073957-9' => true, // weird error
@@ -3750,10 +3760,23 @@
     '10.4324/9780203337653.ch18' => true,
     '10.4324/9780203476901.ch4' => true,
     '10.4324/9780203477342-18' => true, // weird error
+    '10.4324/9780203740262-32' => true,
+    '10.4324/9780203989678-2' => true,
+    '10.4324/9780429494277-6' => true,
+    '10.4324/9781003010708-8' => true,
+    '10.4324/9781003110361-1' => true,
     '10.4324/9781315088235-10' => true, // weird error
+    '10.4324/9781315161525-8' => true,
+    '10.4324/9781315234182-2' => true,
+    '10.4324/9781315251486-2' => true,
+    '10.4324/9781315251486-4' => true,
+    '10.4324/9781315438412-9' => true,
+    '10.4324/9781315518497-39' => true,
     '10.4324/9781315542515-21' => true, // weird error
     '10.4324/9781315637884-16' => true, // weird error
+    '10.4324/9781315739717-1' => true,
     '10.4324/9781315875798-18' => true, // weird error
+    '10.4324/9781351137713-17' => true,
     '10.4337/9781784719326.00030' => true,
     '10.4337/9781789903997.00077' => true,
     '10.4414/sanp.2000.01136' => true,
@@ -3771,6 +3794,7 @@
     '10.4997/JRCPE.2010.314' => true,
     '10.4997/JRCPE.2011.110' => true,
     '10.4997/JRCPE.2011.211' => true,
+    '10.4997/JRCPE.2012.S01' => true,
     '10.4997/JRCPE.2014.112' => true,
     '10.4997/JRCPE.2014.117' => true,
     '10.4997/JRCPE.2015.115' => true,
@@ -3792,6 +3816,7 @@
     '10.5244/C.26.103' => true,
     '10.5244/C.29.56' => true,
     '10.52486/01.00001.15' => true, // Journal in general
+    '10.5260/cca.199318' => true,
     '10.5260/cca.199425' => true, // pay to login
     '10.52690/jswse.v1i3.114' => true, // domain for sale
     '10.5277/ppmp130128' => true,
@@ -3814,6 +3839,8 @@
     '10.5428/pcar20120511' => true,
     '10.5445/IR/1000023476' => true,
     '10.54524/2490-3930.2017.131' => true,
+    '10.5465/256021' => true,
+    '10.5465/256022' => true,
     '10.5465/256170' => true,
     '10.5465/AMR.2011.65554783' => true,
     '10.5479/si.0081024X.95.1' => true,
@@ -4026,6 +4053,7 @@
     '10.9752/ts056.12-25-2014' => true,
     '10.9774/gleaf.4700.2009.au.00010' => true,
     '10.9774/GLEAF.4700.2009.sp.00009' => true,
+    '10.9774/gleaf.4700.2012.sp.00006' => true,
     '10.9774/GLEAF.4700.2016.ju.00011' => true, // page not found
     '10.9775/kvfd.2010.2081' => true,
     '10.9775/kvfd.2011.4275' => true,