Sources - History of English

Books

“The Adventure of English” by Melvin Bragg (Sceptre, 2003)
“Cambridge Encyclopedia of the English Language” by David Crystal (Cambridge University Press, 1995)
“English as a Global Language” by David Crystal (Cambridge University Press, 1997)
“Mother Tongue” by Bill Bryson (Penguin Books, 1990)

Television Series

“The Adventure of English” (ITV, 2003)
“The Story of English” (PBS/BBC, 1986)

Websites – Basic

A Brief History of the English Language (Study English Today): https://www.studyenglishtoday.net/english-language-history.html
A (Very) Brief History of the English Language (Word Origins): https://www.wordorigins.org/harmless-drudge/a-very-brief-history-of-the-english-language
Brief History of English (Jeremy Smith): http://members.peak.org/~jeremy/dictionaryclassic/chapters/history.php
English Language History (English Language Guide): http://www.englishlanguageguide.com/facts/history/
History of the English Language (English Club): https://www.englishclub.com/history-of-english/
Language Timeline (British Library Board): https://www.bl.uk/discovering-literature
The Great Vowel Shift (Geoffrey Chaucer Page): https://chaucer.fas.harvard.edu/pages/great-vowel-shift
The History of English (Oxford Dictionaries): https://public.oed.com/history/
The Origin and History of the English language (KryssTal): http://www.krysstal.com/english.html
What Are the Origins of the English Language (Merriam Webster): https://www.merriam-webster.com/help/faq-history

Websites – More Detailed

English History and Its Language Development (English Word Information): https://wordinfo.info/unit/4218?letter=E&spage=4
History of the English Language (Wikipedia) (and other links from there): https://en.wikipedia.org/wiki/History_of_English
History of the English Language (University of Hawaii): https://manoa.hawaii.edu/catalog/courses/eng-302-history-of-the-english-language-3/
History of the English Language (University of Toronto): https://learn.utoronto.ca/programs-courses/courses/2414-history-english-language
Studying the History of English (Raymond Hickey): http://www.raymondhickey.com/index_(SHE).html
Words In English (Rice University): http://www.ruf.rice.edu/~kemmer/Words04/

Just For Fun

Alan Cooper’s Homonym List (an alphabetical listing of homonyms): https://www.academia.edu/33091882/Alan_Coopers_Homonym_List
Anagram Hall of Fame (some of the best, and longest, anagrams in English): https://wordsmith.org/anagram/hof.html
Anagram Server (generate anagrams for any word or phrase you like): https://wordsmith.org/anagram/
Bartleby.com (complete texts of classic works of literature, reference, Bibles, quotations, etc): https://www.bartleby.com/
Canadian, British and American Spelling (differences between British and American spelling, and the Canadian hybrid of the two): http://www.lukemastin.com/testing/spelling/cgi-bin/database.cgi?action=home
Common Errors in English Usage (online version of Paul Brian’s book on the most common vocabulary errors of native speakers): https://brians.wsu.edu/common-errors/
Foreign Phrases Commonly Used in English (words and phrases of foreign origin which are more or less commonly used in English): http://www.lukemastin.com/testing/phrases/cgi-bin/database.cgi?action=home
Literature Network (complete texts of almost 7,000 classic books, short stories and poems by over 250 authors): https://www.online-literature.com/
Lost Beauties of the English Language (dictionary of obsolete and archaic English words): https://archive.org/details/lostbeautieseng00mackgoog/mode/2up?id=lostbeautieseng00mackgoog&view=theater&ui=embed&wrapper=false
Phrase Finder (meanings and origins of English phrases, sayings, idioms and expressions): https://www.phrases.org.uk/meanings/
RhymeZone (dictionary of rhymes, homophone, synonyms and antonyms): https://www.rhymezone.com/
Thesaurus.com (online thesaurus of synonyms and antonyms): https://www.thesaurus.com/
Urban Dictionary (dictionary of current street slang and neologisms and their usage): https://www.urbandictionary.com/