diff --git a/locale/_base/pronouns/pronouns.tsv b/locale/_base/pronouns/pronouns.tsv
index 03afbe1d..f7a3998d 100644
--- a/locale/_base/pronouns/pronouns.tsv
+++ b/locale/_base/pronouns/pronouns.tsv
@@ -9,7 +9,7 @@ ae,æ,ae/aer,æ/ær Neopronoun “ae” / “æ” FALSE ae|eɪ aer|ɛɹ aer|ɛ
co,co/cos Neopronoun “co/cos” FALSE co|ko co|ko cos|koz co's|koz coself|koˈsɛlf FALSE FALSE TRUE Created by Mary Orovan in 1970, derived from the Indo-European *ko.
e,e/em/eir Spivak pronouns FALSE e|i em|ɛm eir|ɛɹ eirs|ɛɹz emself|ɛmˈsɛlf FALSE FALSE TRUE Coined by Michael Spivak in 1990 for his manual The Joy of TeX to avoid gendering people in the examples. possessive_determiner
e/em/es Neopronoun “e/em/es” FALSE e|i em|ɛm es|iz ems|ɛmz emself|ɛmˈsɛlf FALSE FALSE TRUE First created in 1890 by James Rogers based on {/he=he} and {/them=them} pronoun sets. Since then multiple versions were created, differing in declension and capitalisation. possessive_determiner
-ey,ey/em Elverson pronouns FALSE ey|eɪ em|ɛm eir|ɛɹ eirs|ɛɹz emself|ɛmˈsɛlf FALSE FALSE TRUE {https://research.cristanwilliams.com/2012/02/24/1975-transgender-cross-gender/=Coined by Christine M. Elverson} in 1975 for a contest to create an alternative to the singular {/they=they}. Those forms are created by dropping “th” from “they”.
+ey,ey/em Elverson pronouns FALSE ey|eɪ em|ɛm eir|ɛɹ eirs|ɛɹz emself|ɛmˈsɛlf FALSE FALSE TRUE {https://web.archive.org/web/20211130005355/https://research.cristanwilliams.com/2012/02/24/1975-transgender-cross-gender/=Coined by Christine M. Elverson} in 1975 for a contest to create an alternative to the singular {/they=they}. Those forms are created by dropping “th” from “they”.
fae,fæ,fae/faer,fæ/fær Neopronoun “fae/faer” FALSE fae|feɪ faer|fɛɹ faer|fɛɹ faers|fɛɹz faerself|fɛɹˈsɛlf FALSE FALSE TRUE Created in 2014 by Tumblr user shadaras.
hu,hu/hum Humanist pronouns FALSE hu|hju hum|hjum hus|hjuz hus|hjuz huself|hjuˈsɛlf FALSE FALSE TRUE Coined by Sasha Newborn in 1982, based on the word “human”.
ne,ne/nem Neopronoun “ne/nem” FALSE ne|ni nem|nəm nir|nəɹ nirs|nəɹz nemself|nəmˈsɛlf FALSE FALSE TRUE
diff --git a/locale/en/pronouns/pronouns.tsv b/locale/en/pronouns/pronouns.tsv
index 03afbe1d..f7a3998d 100644
--- a/locale/en/pronouns/pronouns.tsv
+++ b/locale/en/pronouns/pronouns.tsv
@@ -9,7 +9,7 @@ ae,æ,ae/aer,æ/ær Neopronoun “ae” / “æ” FALSE ae|eɪ aer|ɛɹ aer|ɛ
co,co/cos Neopronoun “co/cos” FALSE co|ko co|ko cos|koz co's|koz coself|koˈsɛlf FALSE FALSE TRUE Created by Mary Orovan in 1970, derived from the Indo-European *ko.
e,e/em/eir Spivak pronouns FALSE e|i em|ɛm eir|ɛɹ eirs|ɛɹz emself|ɛmˈsɛlf FALSE FALSE TRUE Coined by Michael Spivak in 1990 for his manual The Joy of TeX to avoid gendering people in the examples. possessive_determiner
e/em/es Neopronoun “e/em/es” FALSE e|i em|ɛm es|iz ems|ɛmz emself|ɛmˈsɛlf FALSE FALSE TRUE First created in 1890 by James Rogers based on {/he=he} and {/them=them} pronoun sets. Since then multiple versions were created, differing in declension and capitalisation. possessive_determiner
-ey,ey/em Elverson pronouns FALSE ey|eɪ em|ɛm eir|ɛɹ eirs|ɛɹz emself|ɛmˈsɛlf FALSE FALSE TRUE {https://research.cristanwilliams.com/2012/02/24/1975-transgender-cross-gender/=Coined by Christine M. Elverson} in 1975 for a contest to create an alternative to the singular {/they=they}. Those forms are created by dropping “th” from “they”.
+ey,ey/em Elverson pronouns FALSE ey|eɪ em|ɛm eir|ɛɹ eirs|ɛɹz emself|ɛmˈsɛlf FALSE FALSE TRUE {https://web.archive.org/web/20211130005355/https://research.cristanwilliams.com/2012/02/24/1975-transgender-cross-gender/=Coined by Christine M. Elverson} in 1975 for a contest to create an alternative to the singular {/they=they}. Those forms are created by dropping “th” from “they”.
fae,fæ,fae/faer,fæ/fær Neopronoun “fae/faer” FALSE fae|feɪ faer|fɛɹ faer|fɛɹ faers|fɛɹz faerself|fɛɹˈsɛlf FALSE FALSE TRUE Created in 2014 by Tumblr user shadaras.
hu,hu/hum Humanist pronouns FALSE hu|hju hum|hjum hus|hjuz hus|hjuz huself|hjuˈsɛlf FALSE FALSE TRUE Coined by Sasha Newborn in 1982, based on the word “human”.
ne,ne/nem Neopronoun “ne/nem” FALSE ne|ni nem|nəm nir|nəɹ nirs|nəɹz nemself|nəmˈsɛlf FALSE FALSE TRUE
diff --git a/locale/ko/pronouns/pronouns.tsv b/locale/ko/pronouns/pronouns.tsv
index 03afbe1d..f7a3998d 100644
--- a/locale/ko/pronouns/pronouns.tsv
+++ b/locale/ko/pronouns/pronouns.tsv
@@ -9,7 +9,7 @@ ae,æ,ae/aer,æ/ær Neopronoun “ae” / “æ” FALSE ae|eɪ aer|ɛɹ aer|ɛ
co,co/cos Neopronoun “co/cos” FALSE co|ko co|ko cos|koz co's|koz coself|koˈsɛlf FALSE FALSE TRUE Created by Mary Orovan in 1970, derived from the Indo-European *ko.
e,e/em/eir Spivak pronouns FALSE e|i em|ɛm eir|ɛɹ eirs|ɛɹz emself|ɛmˈsɛlf FALSE FALSE TRUE Coined by Michael Spivak in 1990 for his manual The Joy of TeX to avoid gendering people in the examples. possessive_determiner
e/em/es Neopronoun “e/em/es” FALSE e|i em|ɛm es|iz ems|ɛmz emself|ɛmˈsɛlf FALSE FALSE TRUE First created in 1890 by James Rogers based on {/he=he} and {/them=them} pronoun sets. Since then multiple versions were created, differing in declension and capitalisation. possessive_determiner
-ey,ey/em Elverson pronouns FALSE ey|eɪ em|ɛm eir|ɛɹ eirs|ɛɹz emself|ɛmˈsɛlf FALSE FALSE TRUE {https://research.cristanwilliams.com/2012/02/24/1975-transgender-cross-gender/=Coined by Christine M. Elverson} in 1975 for a contest to create an alternative to the singular {/they=they}. Those forms are created by dropping “th” from “they”.
+ey,ey/em Elverson pronouns FALSE ey|eɪ em|ɛm eir|ɛɹ eirs|ɛɹz emself|ɛmˈsɛlf FALSE FALSE TRUE {https://web.archive.org/web/20211130005355/https://research.cristanwilliams.com/2012/02/24/1975-transgender-cross-gender/=Coined by Christine M. Elverson} in 1975 for a contest to create an alternative to the singular {/they=they}. Those forms are created by dropping “th” from “they”.
fae,fæ,fae/faer,fæ/fær Neopronoun “fae/faer” FALSE fae|feɪ faer|fɛɹ faer|fɛɹ faers|fɛɹz faerself|fɛɹˈsɛlf FALSE FALSE TRUE Created in 2014 by Tumblr user shadaras.
hu,hu/hum Humanist pronouns FALSE hu|hju hum|hjum hus|hjuz hus|hjuz huself|hjuˈsɛlf FALSE FALSE TRUE Coined by Sasha Newborn in 1982, based on the word “human”.
ne,ne/nem Neopronoun “ne/nem” FALSE ne|ni nem|nəm nir|nəɹ nirs|nəɹz nemself|nəmˈsɛlf FALSE FALSE TRUE