canon - What other Harry Potter related writings has Rowling written?

Which Harry Potter related writings has J K Rowling written (not counting the seven main books)?

I'm ideally looking for writings set in the Harry Potter world, not writings about the books. (i.e. The Tales of Beedle the Bard is good; an essay about her experiences with the fandom is not) I'm also only looking for writings that were published at one point in some form or another (be it online, in print, or even for a now defunct official fan club).

Answer

Note: Many smaller tidbits (example) are not mentioned in this list. Lots of these can be found on Accio-Quote

Companion books

• Quidditch Through The Ages


• Fantastic Beasts And Where To Find Them _{(both the 2001 and 2017 editions)}


• The Tales of Beedle the Bard


• Book of Spells (stories and descriptions were written by Rowling)


• Book of Potions (stories and descriptions were written by Rowling)

• various early drafts/sketches of the books


• Rumor tabloids


• Wizard of the Month


• FAQ's with long answers (Thestrals, Mirror, Mark Evans, half-blood, Marauder's Map, technology, Neville, communication, Flitwick, Veritaserum, Avada Kedavra, Secret keepers)


• Nearly Headless Nick's ballad


• W.O.M.B.A.T. Grade 1, Grade 2, Grade 3, Answers


• Weasley family tree


• Other small bits of writing (Crookshanks, Dudley, Weasleys, Owls, Spells, Squibs)



• Various tidbits (in the style which she would later do on twitter)

Published on the new jkrowling.com (Technically there was a site in-between, but we won't talk about it.) _{^{(2016-present)}}

Published on the old Pottermore _^(2011-2015)

• Quizzes (Sorting, Wand)


• 'New Writing from J.K. Rowling' (The Quill of Acceptance and The Book of Admittance. Number Four, Privet Drive, Measurements, Vernon & Petunia Dursley, Ghost Plots, Clothing, Mr Ollivander, Wand Woods, Wand Lengths & Flexibility, Wand Cores, Hogwarts Express, Platform Nine and Three-Quartures, Toads, Professor McGonagall, Hatstall, Sorting Hat, Hufflepuff Common Room, Familiars, Hogwarts School Subjects, The Original Forty, Mirror of Erised, Nicolas Flamel, Professor Quirrell, The Philosopher's Stone, Technology, Floo Powder, Celestina Warbeck, The Malfoy Family, King's Cross Station, Pure-blood, Gilderoy Lockhart, Peeves, Hogwarts Ghosts, Draco Malfoy, The Polyjuice Potion, Ghosts, Chamber of Secrets, The Sword of Gryffindor, Marge Dursley, The Knight Bus, Sir Cadogan, Professor Kettleburn, Boggart, Hogwarts Portraits, The Marauder's Map, Gobstones, Dementors and Chocolate, Firebolt, Secret Keeper, Werewolves, Time-Turner, Patronus Charm, Remus Lupin, The Floo Network, Portkeys, Colours, History of the Quidditch World Cup, Quidditch World Cup (1990-2014), Scottish Rugby, Beauxbatons Academy of Magic, Durmstrang Institute, Daily Prophet, The Great Lake, Owls, Pensieve, Illness and Disability, Ministers of Magic, Thestrals, Dolaras Umbridge, Sybill Trelawney, Naming Seers, Azkaban, Cokeworth, Florean Fortescue, The Leaky Cauldron, Cauldrons, Potions, Vampires, Inferi, Order of Merlin, Extension Charms, Alchemy)


• House welcome messages


• Book extracts (Curses and Counter-Curses, The Standard Book of Spells, Grade 1, A Beginner's Guide to Transfiguration, One Thousand Magical Herbs and Fungi, The Dark Forces: A Guide to Self-Protection, Book of Spells, Book of Potions, other spell books)



• Quidditch World Cup daily prophet articles (Disastrous Opening Ceremony Leads to Questions about Quidditch World Cup Security, Norway v Ivory Coast, Nigeria v Fiji, Brazil v Haiti, USA v Jamaica, Liechtenstein v Chad, Bulgaria v New Zealand, Japan v Poland, Wales v Germany, Brazil v Wales, Bulgaria v Norway, USA v Liechtenstein, Late Breaking News, Hans the Augery, Japan v Nigeria, Place your Bets with Ludo Bagman, USA v Brazil, Bulgaria v Japan, Dumbledore's Army Reunites at the Quidditch World Cup, Quidditch World Cup Final)

• The Potter Family


• Wizarding Schools (Wizarding Schools, Castelobruxo, Mahoutokoro, Uagadou)


• Magic in North America (History of Magic in North America, Ilvermorny School of Witchcraft and Wizardry, The Magical Congress of the United States of America (MACUSA))


• Illvermorny Sorting Quiz


• Patronus test


• Fact files (Dolores Umbridge, Minerva McGonagall, Garrick Ollivander, Quirinus Quirrell, Remus Lupin, Sybill Trelawney, Horace Slughorn)

Published in Pottermore Presents _{⁽²⁰¹⁶⁾}

• Animagi


• Horace Slughorn

Online Chats

Others

Somewhat Canon works not written by Rowling:

• Interviews (Herald, Electronic Telegraph, Herald, Scotland on Sunday, Guardian Unlimited, Amazon, Salon, School Library Journal, Family Education, Connection, Star Ledger, Boston Globe, NPR Radio, Diane Rehm Show, Chicago Sun Times, Orange County Register, Sans Francisco Chronicle, People, Associated Press, London Times, Daily Telegraph, CBBC Newsround, Bloomsbury Press, Guardian Unlimited, The Herald, South West News Service CBCNewsWorld, Telling Tales, Entertainment Weekly, eToys.com, Larry King Live, Canadian Press, Time Magazine, Maclean's, Cinescape, Reader's Digest, Raincoast Books, Blue Peter, Houston Chronicle, Sydney Morning Herald, Candis Magazine, Ananova, BBC, CBS News, Scotsman, IGN, CoS DVD, BBC Newsnight, Royal Albert Hall, Edinburgh Book Festival, PoA DVD, Leaky Cauldron part 1 2 3, ITV, ITV Network, ITV, Time Magazine, Dateline NBC, BBC Radio, Tatler magazine, Chanel Four Corporation, Press Conference, Radio City Music Hall part 1 2, bigbadread.com, Jonathon Ross, Scotsman, Blue Peter, USA Today, Today Show part 1 2, Reuters, MTV.com, MTV.com, hollywood.com, Times-Picayune, The Leaky Cauldron part 1 2 3, Canadian Broadcasting Corporation, Canadian Press, BBC News, Pottercast part 1 2, Time Magazine part 1 2, J.K. Rowling, A Year in the Life, XLSemanal, Lexicon book court case, NBC Dateline, Conversation with Steve Kloves, Scholastic, Wonderland)


• Artwork from the old jkrowling.com


• Artwork from the old Pottermore


• Pottermore content of the new Bloomsbury editions


• The Harry Potter and the Cursed Child play by Jack Thorne (Rowling was a producer, and possibly had a little input to the story.)