7 files changed, 13 insertions, 10 deletions
diff --git a/Documentation/community/code_of_conduct.md b/Documentation/community/code_of_conduct.md
index 249a575f0d60..179612cdfa8c 100644
--- a/Documentation/community/code_of_conduct.md
+++ b/Documentation/community/code_of_conduct.md
@@ -115,4 +115,4 @@ Our arbitration team consists of the following people
 This Code of Conduct is distributed under
 a [Creative Commons Attribution-ShareAlike
 license](http://creativecommons.org/licenses/by-sa/3.0/).  It is based
-on the [Citizen Code of Conduct](http://citizencodeofconduct.org/)
+on the [Citizen Code of Conduct](https://web.archive.org/web/20200330154000/http://citizencodeofconduct.org/)
diff --git a/Documentation/community/conferences.md b/Documentation/community/conferences.md
index dc4a1b9a47a5..db89f2764606 100644
--- a/Documentation/community/conferences.md
+++ b/Documentation/community/conferences.md
@@ -14,7 +14,7 @@ their development kit with them and conduct development sessions.
 
 [Open Source Firmware at Facebook](https://fosdem.org/2019/schedule/event/open_source_firmware_at_facebook/)  by [David Hendricks](https://github.com/dhendrix) and [Andrea Barberio](https://github.com/insomniacslk) at [FOSDEM 2019](https://fosdem.org/2019/) ([video](https://video.fosdem.org/2019/K.4.401/open_source_firmware_at_facebook.mp4)) ([slides](https://insomniac.slackware.it/static/2019_fosdem_linuxboot_at_facebook.pdf)) (2019-02-03)
 
-[Open Source Firmware - A love story](https://www.youtube.com/watch?v=xfqKm190dbU) by [Philipp Deppenwiese](https://cybersecurity.9elements.com) at [35c3](https://events.ccc.de/congress/2018)
+[Open Source Firmware - A love story](https://www.youtube.com/watch?v=xfqKm190dbU) by [Philipp Deppenwiese](https://cybersecurity.9elements.com) at [35c3](https://web.archive.org/web/20211027210118/https://events.ccc.de/congress/2018/wiki/index.php/Main_Page)
 ([slides](https://cdn.media.ccc.de/congress/2018/slides-h264-hd/35c3-9778-deu-eng-Open_Source_Firmware_hd-slides.mp4)) (2018-12-27)
 
 [coreboot mainboard porting with Intel FSP 2.0](https://www.youtube.com/watch?v=qUgo-AVsSCI) by Subrata Banik at OSFC 2018
diff --git a/Documentation/contributing/coding_style.md b/Documentation/contributing/coding_style.md
index e3c92af842d9..656454545d40 100644
--- a/Documentation/contributing/coding_style.md
+++ b/Documentation/contributing/coding_style.md
@@ -966,11 +966,14 @@ References
 The C Programming Language, Second Edition by Brian W. Kernighan and
 Dennis M. Ritchie. Prentice Hall, Inc., 1988. ISBN 0-13-110362-8
 (paperback), 0-13-110370-9 (hardback). URL:
-<http://cm.bell-labs.com/cm/cs/cbook/>
+<https://duckduckgo.com/?q=isbn+0-13-110362-8> or
+<https://www.google.com/search?q=isbn+0-13-110362-8.
+
 
 The Practice of Programming by Brian W. Kernighan and Rob Pike.
 Addison-Wesley, Inc., 1999. ISBN 0-201-61586-X. URL:
-<http://cm.bell-labs.com/cm/cs/tpop/>
+<https://duckduckgo.com/?q=ISBN+0-201-61586-X> or
+<https://www.google.com/search?q=ISBN+0-201-61586-X>
 
 GNU manuals - where in compliance with K&R and this text - for cpp, gcc,
 gcc internals and indent, all available from
diff --git a/Documentation/mainboard/asrock/h110m-dvs.md b/Documentation/mainboard/asrock/h110m-dvs.md
index 4a20bb66b5c5..a4f6e57bcae4 100644
--- a/Documentation/mainboard/asrock/h110m-dvs.md
+++ b/Documentation/mainboard/asrock/h110m-dvs.md
@@ -131,4 +131,4 @@ facing towards the bottom of the board.
 [ASRock H110M-DVS]: https://www.asrock.com/mb/Intel/H110M-DVS%20R2.0/
 [MX25L6473E]: http://www.macronix.com/Lists/Datasheet/Attachments/7380/MX25L6473E,%203V,%2064Mb,%20v1.4.pdf
 [flashrom]: https://flashrom.org/Flashrom
-[H110M-DVS manual]: http://asrock.pc.cdn.bitgravity.com/Manual/H110M-DVS%20R2.0.pdf
+[H110M-DVS manual]: https://web.archive.org/web/20191023230631/http://asrock.pc.cdn.bitgravity.com/Manual/H110M-DVS%20R2.0.pdf
diff --git a/Documentation/mainboard/asrock/h81m-hds.md b/Documentation/mainboard/asrock/h81m-hds.md
index 6a0da5b31566..9d5c288885eb 100644
--- a/Documentation/mainboard/asrock/h81m-hds.md
+++ b/Documentation/mainboard/asrock/h81m-hds.md
@@ -130,4 +130,4 @@ Please also see :doc:`../../northbridge/intel/haswell/known-issues`.
 [ASRock H81M-HDS]: https://www.asrock.com/mb/Intel/H81M-HDS/
 [W25Q32FV]: https://www.winbond.com/resource-files/w25q32fv%20revi%2010202015.pdf
 [flashrom]: https://flashrom.org/Flashrom
-[Board manual]: http://asrock.pc.cdn.bitgravity.com/Manual/H81M-HDS.pdf
+[Board manual]: https://web.archive.org/web/20191231093418/http://asrock.pc.cdn.bitgravity.com/Manual/H81M-HDS.pdf
diff --git a/Documentation/mainboard/asus/f2a85-m.md b/Documentation/mainboard/asus/f2a85-m.md
index dfde07ffc44e..ce7c24973d51 100644
--- a/Documentation/mainboard/asus/f2a85-m.md
+++ b/Documentation/mainboard/asus/f2a85-m.md
@@ -190,9 +190,9 @@ This version is usable for all the GPUs.
 - [Board manual]
 - Flash chip datasheet [W25Q64FV]
 
-[ASUS F2A85-M]: https://www.asus.com/Motherboards/F2A85M/
-[Board manual]: https://dlcdnets.asus.com/pub/ASUS/mb/SocketFM2/F2A85-M/E8005_F2A85-M.pdf
+[ASUS F2A85-M]: https://web.archive.org/web/20160320065008/http://www.asus.com/Motherboards/F2A85M/
+[Board manual]: https://web.archive.org/web/20211028063105/https://dlcdnets.asus.com/pub/ASUS/mb/SocketFM2/F2A85-M/E8005_F2A85-M.pdf
 [flashrom]: https://flashrom.org/Flashrom
 [Piledriver]: https://en.wikipedia.org/wiki/Piledriver_%28microarchitecture%29#APU_lines
 [TeraScale 3]: https://en.wikipedia.org/wiki/TeraScale_%28microarchitecture%29#TeraScale_3
-[W25Q64FV]: https://www.winbond.com/resource-files/w25q64fv%20revs%2007182017.pdf
+[W25Q64FV]: https://web.archive.org/web/20220127184640/https://www.winbond.com/resource-files/w25q64fv%20revs%2007182017.pdf
diff --git a/Documentation/mainboard/asus/p8h61-m_lx.md b/Documentation/mainboard/asus/p8h61-m_lx.md
index 212ed9709ca9..a4b54cd93fed 100644
--- a/Documentation/mainboard/asus/p8h61-m_lx.md
+++ b/Documentation/mainboard/asus/p8h61-m_lx.md
@@ -106,6 +106,6 @@ region is not readable even by the host.
 - [Flash chip datasheet][W25Q32BV]
 
 [ASUS P8H61-M LX]: https://www.asus.com/Motherboards/P8H61M_LX/
-[W25Q32BV]: https://www.winbond.com/resource-files/w25q32bv_revi_100413_wo_automotive.pdf
+[W25Q32BV]: https://web.archive.org/web/20211002141814/https://www.winbond.com/resource-files/w25q32bv_revi_100413_wo_automotive.pdf
 [flashrom]: https://flashrom.org/Flashrom
 [Board manual]: http://dlcdnet.asus.com/pub/ASUS/mb/LGA1155/P8H61_M_LX/E6803_P8H61-M_LX.zip