diff --git a/references.bib b/references.bib
index 194a9fc..c9e689a 100644
--- a/references.bib
+++ b/references.bib
@@ -97,7 +97,7 @@
 	publisher = {IEEE},
 	year = {2017},
 	pages = {1113--1124},
-	url = {http://censorbib.nymity.ch/pdf/Heydari2017a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Heydari2017a.pdf},
 }
 
 @inproceedings{Gebhart2017a,
@@ -393,7 +393,7 @@
 	booktitle = {Workshop on Privacy in the Electronic Society},
 	publisher = {ACM},
 	year = {2015},
-	url = {http://censorbib.nymity.ch/pdf/Vines2015a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Vines2015a.pdf},
 }
 
 @inproceedings{Tanash2015a,
@@ -402,7 +402,7 @@
 	booktitle = {Workshop on Privacy in the Electronic Society},
 	publisher = {ACM},
 	year = {2015},
-	url = {http://censorbib.nymity.ch/pdf/Tanash2015a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Tanash2015a.pdf},
 }
 
 @inproceedings{Ensafi2015b,
@@ -521,7 +521,7 @@
 	number = {1},
 	publisher = {De Gruyter Open},
 	year = {2015},
-	url = {http://censorbib.nymity.ch/pdf/Ensafi2015a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Ensafi2015a.pdf},
 }
 
 @article{Fifield2015a,
@@ -550,7 +550,7 @@
 	booktitle = {International Conference on Advanced Communication Technology},
 	publisher = {IEEE},
 	year = {2014},
-	url = {http://censorbib.nymity.ch/pdf/Wang2014a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Wang2014a.pdf},
 }
 
 @article{Gill2015a,
@@ -561,7 +561,7 @@
 	year = {2015},
 	volume = {9},
 	number = {1},
-	url = {http://censorbib.nymity.ch/pdf/Gill2015a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Gill2015a.pdf},
 }
 
 @inproceedings{Aase2012a,
@@ -653,7 +653,7 @@
 	publisher = {USENIX},
 	title = {{Internet} Censorship in {Iran}: A First Look},
 	year = {2013},
-	url = {http://censorbib.nymity.ch/pdf/Aryan2013a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Aryan2013a.pdf},
 }
 
 @article{Aycock2008a,
@@ -719,7 +719,7 @@
 	publisher = {IEEE},
 	title = {{SkyF2F}: Censorship Resistant via {Skype} Overlay Network},
 	year = {2009},
-	url = {http://censorbib.nymity.ch/pdf/Cao2009a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Cao2009a.pdf},
 }
 
 @inproceedings{Chaabane2014a,
@@ -929,7 +929,7 @@
 	publisher = {USENIX},
 	title = {Building Dissent Networks: Towards Effective Countermeasures against Large-Scale Communications Blackouts},
 	year = {2013},
-	url = {http://censorbib.nymity.ch/pdf/Hasan2013a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Hasan2013a.pdf},
 }
 
 @inproceedings{Houmansadr2011a,
@@ -1020,7 +1020,7 @@
 	publisher = {USENIX},
 	title = {Towards Illuminating a Censorship Monitor's Model to Facilitate Evasion},
 	year = {2013},
-	url = {http://censorbib.nymity.ch/pdf/Khattak2013a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Khattak2013a.pdf},
 }
 
 @inproceedings{Khattak2014a,
@@ -1067,7 +1067,7 @@
 	publisher = {ACM},
 	year = {2004},
 	pages = {47--58},
-	url = {http://censorbib.nymity.ch/pdf/Koepsell2004a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Koepsell2004a.pdf},
 }
 
 @inproceedings{Li2014a,
@@ -1165,7 +1165,7 @@
 	publisher = {USENIX},
 	title = {The Anatomy of Web Censorship in {Pakistan}},
 	year = {2013},
-	url = {http://censorbib.nymity.ch/pdf/Nabi2013a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Nabi2013a.pdf},
 }
 
 @inproceedings{Nobori2014a,
@@ -1194,7 +1194,7 @@
 	publisher = {Springer},
 	title = {Censorship Resistance Revisited},
 	year = {2005},
-	url = {http://censorbib.nymity.ch/pdf/Perng2005a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Perng2005a.pdf},
 }
 
 @inproceedings{Roberts2011a,
@@ -1213,7 +1213,7 @@
 	title = {Secure Communication over Diverse Transports},
 	year = {2012},
 	pages = {75--80},
-	url = {http://censorbib.nymity.ch/pdf/Rogers2012a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Rogers2012a.pdf},
 }
 
 @inproceedings{Roos2014a,
@@ -1277,7 +1277,7 @@
 	booktitle = {CHI Conference on Human Factors in Computing Systems},
 	publisher = {ACM},
 	year = {2011},
-	url = {http://censorbib.nymity.ch/pdf/Shklovski2011a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Shklovski2011a.pdf},
 }
 
 @inproceedings{Sovran2008a,
@@ -1339,7 +1339,7 @@
 	publisher = {USENIX},
 	title = {Five Incidents, One Theme: {Twitter} Spam as a Weapon to Drown Voices of Protest},
 	year = {2013},
-	url = {http://censorbib.nymity.ch/pdf/Verkamp2013a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Verkamp2013a.pdf},
 }
 
 @inproceedings{Wachs2013a,
@@ -1438,7 +1438,7 @@
 	booktitle = {Free and Open Communications on the Internet},
 	publisher = {USENIX},
 	year = {2013},
-	url = {http://censorbib.nymity.ch/pdf/Winter2013a.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Winter2013a.pdf},
 }
 
 @inproceedings{Winter2013b,
@@ -1447,7 +1447,7 @@
 	booktitle = {Workshop on Privacy in the Electronic Society},
 	publisher = {ACM},
 	year = {2013},
-	url = {http://censorbib.nymity.ch/pdf/Winter2013b.pdf},
+	url = {https://censorbib.nymity.ch/pdf/Winter2013b.pdf},
 }
 
 @inproceedings{Wright2011a,