References
Shortened URLs are numbered sequentially; the related long URLs are listed below for reference.
Chapter 1
01-01 http://thewebahead.net/64
01-02 http://tink.uk/using-narrator-dev-mode/
01-03 https://www.flickr.com/photos/karola/4017466586/
Chapter 2
02-01 https://pixabay.com/en/kingfisher-bird-aviary-color-nature-863495/
02-02 https://www.bdadyslexia.org.uk
02-03 http://www.naturalreaders.com/index.html
02-04 https://alistapart.com/article/designing-safer-web-animation-for-motion-sensitivity
02-05 https://www.w3.org/TR/UNDERSTANDING-WCAG20/seizure-does-not-violate.html
02-06 http://www.gartner.com/newsroom/id/3270418
02-09 https://abookapart.com/products/design-for-real-life
Chapter 3
03-01 https://abookapart.com/products/just-enough-research
03-02 http://www.uiaccess.com/JustAsk/
03-03 http://www.postoffice.co.uk/accessibility#Overview
Chapter 4
04-01 https://backchannel.com/all-technology-is-assistive-ac9f7183c8cd
04-02 https://www.flickr.com/photos/ansik/3318806932/
04-04 https://abookapart.com/products/on-web-typography
04-05 http://www.book.webtypography.net
04-06 https://symbolset.com
04-07 https://abookapart.com/products/practical-svg
04-08 https://www.pineapplejazz.com/socialcooling/
04-09 https://www.smashingmagazine.com/2013/03/tips-and-tricks-for-print-style-sheets/
04-10 https://css-tricks.com/css-tricks-finally-gets-a-print-stylesheet/
04-11 https://ind.ie/blog/accessible-video-player/
Chapter 5
05-01 http://chrispederick.com/work/web-developer/
05-02 https://support.google.com/webmasters/answer/35769
05-03 http://tink.uk/time-to-revisit-accesskey/
05-05 http://laurakalbag.com/skip-links/#li-comment-137909
05-06 https://source.ind.ie/project/video-player
05-07 https://www.w3.org/TR/wai-aria-1.1/#roles_categorization
05-08 https://www.w3.org/TR/wai-aria/roles#landmark_roles
05-09 http://stevefaulkner.github.io/HTML5accessibility/
05-10 https://www.w3.org/TR/aria-in-html/
Chapter 6
06-01 http://www.adlib-recruitment.co.uk/blog/is-your-web-presence-accessible-to-everyone/
06-01 http://alistapart.com/article/reframing-accessibility-for-the-web
06-02 http://bradfrost.com/blog/post/float-label-pattern/
06-03 http://validator.w3.org/
06-04 http://validator.w3.org/docs/errors.html
06-05 http://www.colororacle.org/
06-06 http://tink.uk/understanding-screen-reader-interaction-modes/
06-07 http://www.uiaccess.com/accessucd/ut.html
Chapter 7
07-01 https://www.w3.org/WAI/WCAG20/quickref/
07-02 https://www.paciellogroup.com/blog/2017/01/section-508-refresh-part-1/
07-03 http://ec.europa.eu/social/main.jsp?catId=1202
Resources
08-01 http://a11yproject.com
08-02 http://www.heydonworks.com
08-03 https://www.paciellogroup.com/blog/
08-04 https://tink.uk/
08-05 https://axesslab.com/articles/
08-06 http://simplyaccessible.com/archives/
08-07 http://www.webaxe.org
08-08 https://www.smashingmagazine.com/inclusive-design-patterns/
08-09 https://www.filamentgroup.com/lab/accessible-responsive.html
08-10 https://www.w3.org/TR/wai-aria/
08-11 https://support.apple.com/en-us/HT201370
08-12 https://support.apple.com/kb/PH25153
08-13 https://dev.to/_bigblind/how-to-make-your-website-accessible-to-people-who-use-a-screen-magnifier
08-14 http://simpleprimate.com/blog/motor
08-15 https://abookapart.com/products/color-accessibility-workflows
08-16 http://www.paciellogroup.com/resources/contrastanalyser/
08-17 http://www.snook.ca/technical/colour_contrast/colour.html
08-18 https://leaverou.github.com/contrast-ratio/
08-19 https://www.smashingmagazine.com/2015/03/web-accessibility-with-accessibility-api/
08-20 http://html5accessibility.com
08-21 http://html5doctor.com
08-22 https://abookapart.com/products/html5-for-web-designers
08-23 https://developer.mozilla.org/en-US/docs/Web/HTML/Element
08-25 http://www.karlgroves.com/2013/05/14/links-are-not-buttons-neither-are-divs-and-spans/
08-26 https://www.w3.org/TR/WCAG20/
08-27 https://ind.ie/ethical-design
08-28 http://inclusivedesignprinciples.org
08-29 https://www.w3.org/International/articles/vertical-text/
08-30 https://www.w3.org/International/tutorials/bidi-xhtml/
08-31 https://marcysutton.com/accessibility-and-performance/
08-32 https://developer.apple.com/download/more/?q=Network%20Link%20Conditioner
08-33 http://www.charlesproxy.com
08-34 http://practicaltypography.com
08-35 https://www.myfonts.com/fonts/fw-heinemann/heinemann/
08-36 http://webtypography.net/toc/
08-37 https://www.smashingmagazine.com/2015/11/using-system-ui-fonts-practical-guide/
08-38 http://www.coffeecup.com/help/articles/what-is-a-web-safe-font/
08-39 http://www.3playmedia.com/services-features/tools/captions-format-converter/
08-40 http://www.jubler.org
08-41 http://www.subtitle-horse.com
08-42 https://www.sitepoint.com/tips-accessible-svg/
08-43 http://rosenfeldmedia.com/books/a-web-for-everyone/
08-44 http://www.bbc.co.uk/programmes/p048v3kl
08-45 https://axesslab.com/disabled-buttons-suck/
08-46 http://www.uiaccess.com/accessucd/
08-47 http://webaim.org/techniques/skipnav/
08-50 https://axesslab.com/accessibility-according-to-pwd/
08-51 http://chrispederick.com/work/web-developer/
08-52 https://hoyois.github.io/html5outliner/
08-53 http://centerforplainlanguage.org
08-54 https://content-guide.18f.gov/index.html
08-55 http://consciousstyleguide.com
08-56 https://www.gov.uk/guidance/content-design/writing-for-gov-uk