(Mostly) Friends Only
Books/Writers:
+ Jane Austen: I do enjoy all her books, but mostly Emma
+ Leigh Bardugho: Six of Crows/Crooked Kingdom
+ Joanna Bourne: Spymaster series
+ Beth Brower: the Unselected Journals of Emma M. Lion
+ Steve Brust and Emma Bull: Freedom and Necessity
+ Octavia Butler: Kindred
+ Brontes: Jane Eyre, Wuthering Heights, Shirley, Villette, The Tenant of Wildfell Hall
+ A.S. Byatt: Possession
+ Mike, Linda, and Louise Carey: The Steel Seraglio
+ Susanna Clarke: Jonathan Strange and Mr. Norrell and Piranesi
+ Wilkie Collins: The Woman in White
+ Pamela Dean: Tam Lin
+ Daphne DuMaurier: My Cousin Rachel and Rebecca
+ William Faulkner: Absalom, Absalom!, Sanctuary, The Sound and the Fury, The Unvanquished
+ Tana French: The Dublin Murder Squad series
+ Golden age mysteries of all kinds
+ Tracy/Teresa Grant: The Rannoch/Fraser novels
+ Barbara Hambly: Benjamin January books (!!!!) and James Asher books
+ Frances Hardinge: all her books
+ Rachel Hartman: Seraphina/Shadow Scale and Tess of the Road
+ Eva Ibbotson: A Company of Swans, The Morning Gift, A Song for Summer, Countess Below Stairs, The Star of Kazan
+ M.M. Kaye: The Shadow of the Moon
+ Ursula Le Guin: pretty much everything she ever wrote
+ Madeleine L'Engle: all her nonfiction, A Ring of Endless Light, The Other Side of the Sun
+ Joan Lindsay: Picnic at Hanging Rock
+ Maud Hart Lovelace: the Betsy/Tacy books and Emily of Deep Valley
+ Eloise Jarvis McGraw: Mara: Daughter of the Nile
+ Robin McKinley: Everything except Pegasus and Dragonhaven. I’m not really into those.
+ L.M. Montgomery: Everything. All of it.
+ Naomi Novik: Spinning Silver and Uprooted
+ Shelley Parker-Chan: She Who Became the Sun
+ Elizabeth Marie Pope: The Sherwood Ring and The Perilous Gard
+ Chaim Potok: Davita's Harp
+ Dorothy L. Sayers: the Lord Peter Wimsey mysteries
+ Elizabeth George Speare: The Witch of Blackbird Pond and The Bronze Bow
+ Mary Stewart: The Merlin trilogy, The Wicked Day, The Moon-Spinners
+ Rosemary Sutcliffe: Sword at Sunset
+ Josephine Tey: Miss Pym Disposes
+ Megan Whalen Turner: the Queen’s Thief books
+ Sarah Waters: The Little Stranger
+ Elizabeth Wein: Code Name Verity
Movies:
+ ‘30’s screwball comedies of any kind
+ 1776!
+ All About Eve
+ Almost Famous
+ Anastasia (1997)
+ The Bad and the Beautiful
+ Bright Star
+ Challengers
+ Conclave
+ Emma (2020)
+ The Fall (2006)
+ The Favourite
+ The Great Escape
+ It’s a Wonderful Life
+ Knives Out
+ The Lion in Winter
+ Little Women (1994)
+ The Man from UNCLE
+ The Manchurian Candidate
+ The Mummy/The Mummy Returns
+ Noir of any kind
+ Pride (2014)
+ The Secret Garden (1993)
+ the original Star Wars trilogy
+ Sunset Boulevard
+ The Thin Man movies
+ To Walk Invisible
+ The Vast of Night
+ West Side Story
Television and Miniseries:
+ Age of Youth
+ Andor
+ Anne of Green Gables
+ Being Human
+ Big Fat Quiz(zes)
+ Black Sails
+ Buffy the Vampire Slayer
+ City Hunter
+ Coffee Prince
+ Crash Landing on You
+ Designing Women
+ Emma (2009)
+ Endeavour
+ The Expanse
+ Flower Boy Next Door
+ Friday Night Lights
+ The Good Place
+ The Great British Bakeoff
+ The Guest
+ Happy Endings
+ Healer
+ The Hour
+ It's Okay to Not Be Okay
+ Jane Eyre (2006)
+ Killing Eve
+ Leverage
+ Mawang
+ Miss Fisher’s Murder Mysteries
+ The Musketeers
+ Mythic Quest
+ New Girl
+ North and South (2004)
+ Penny Dreadful (ish)
+ Picnic at Hanging Rock
+ Press Gang
+ Queen In-Hyun’s Man
+ The Queen's Gambit
+ Severance
+ Shut Up! Flower Boy Band
+ various Star Treks
+ The Umbrella Academy
+ The Untamed
+ Veronica Mars
+ We Are Lady Parts
+ The West Wing
+ White Christmas
+ The X-files
Podcasts:
+ BBC History Extra podcast
+ Decoder Ring
+ The Ezra Klein Show
+ Hyperfixed
+ In Bed with the Right
+ Know Your Enemy
+ Maintenance Phase
+ Mobituaries
+ Radiolab
+ Reply All
+ Rock That Doesn't Roll
+ Search Engine
+ Straight White American Jesus
+ Why Are Dads?/You Are Good
+ You Must Remember This
+ You're Wrong About
Kpop:
+ Brown Eyed Girls*
+ Chung Ha
+ CLC
+ Dreamcatcher*
+ exid
+ f(x)
+ Hyuna
+ Infinite*
+ IU
+ KARA
+ Loona
+ Lim Kim
+ miss A
+ 9Muses*
+ Oh My Girl
+ Orange Caramel
+ Red Velvet
+ Rocket Punch
+ Sistar
+ Spica*
+ Sunmi
+ Weki Meki
+ Wonder Girls

These days I lock most things, but there's a bunch of fanfic and fandom rants from years past that is unlocked.
Comment if you want to be added.
Note: if a post is public, it's fine to link to it elsewhere.