Image sources and credits as accurate as I can make them:
(By slide, clockwise from top left)
Title slide
T.1 Jeune Femme à sa Toilette (Woman at her Toilet), attributed to Niklas Lafrensen/Nicolas Lavreince (1737-1807)
Slide 1 - chemise
1.1 Before the Automobile/The Aristocat/Augustintytar’s 2007 late 18th century shift (no longer available on her site) archived at https://web.archive.org/web/20151212114924/http://augustintytar.blogspot.fi:80/2011/04/late-18th-century-shift-2007.html
1.2 Marie Antoinette en chemise, Louise Élizabeth Vigée Le Brun, 1783
1.3 Woman’s shift, late 18th or early 19th century, Museum of Fine Arts Boston - https://www.mfa.org/collections/object/womans-shift-324250
1.4 Simplicity 8162 Misses’ 18th Century Undergarments (view of shift only) - https://www.simplicity.com/simplicity-pattern-8162-misses-18th-century-undergarments/8162.html
Slide 2- stockings/garters
2.1 The Dreamstress’ Rosalie stockings - http://thedreamstress.com/2015/01/tutorial-pattern-making-your-own-seamed-stockings/
2.2 French embroidered garters, 18th century, Museum of Fine Arts Boston - https://www.mfa.org/collections/object/garter-one-of-a-pair-46760
2.3 Shoe, stocking, and garter; Journal de la Mode et du Gout, August 1790. Uploaded to Tumblr by damesalamode, http://damesalamode.tumblr.com/post/18857280736/journal-de-la-mode-et-du-gout-august-1790-for, but may not originate with them.
2.4 Before the Automobile/The Aristocat/Augustintytar’s 18th century reproduction garters, stockings, and shoes http://augustintytar.blogspot.fi/search/label/1770%20shoes
Slide 3 - black-lacing stays
3.1 Before the Automobile/The Aristocat/Augustintytar’s 1780s stays - http://augustintytar.blogspot.fi/2012/05/1780s-stays-2012.html
3.2 still of Liam Neeson in Taken (2008)
3.3 Stays, 1785-1790, McCord Museum - http://collections.musee-mccord.qc.ca/scripts/viewobject.php?Lang=1§ion=196&accessnumber=M969X.26&imageID=319508&pageMulti=1
3.4 from The Still Room Blog. Found archived at https://web.archive.org/web/20160306114927/http://thestillroomblog.com/2012/04/22/a-tip-for-spring-cleaning-the-servants-directory-improved-1762/ , but seems likely to have come from an earlier post due to the filename.
3.5 still of Chris Evans in The Avengers (2012), digitally overlain with a dorito. Artist undetermined.
3.6 Replica 1770s child’s stays, made by the Margaret Hunter Shop of Colonial Williamsburg, http://twonerdyhistorygirls.blogspot.com/2011/07/stays-for-very-young-c-1770.html
Slide 4 - front-lacing stays
4.1 American Duchess 18th century stays for/from Simplicity 8162 -
http://blog.americanduchess.com/2016/05/18th-century-stays-q-about-simplicity.html
4.2 Couture Mayah’s pink stays - http://www.couturemayah.info/engpink%20stays.html
4.3 Redthreaded’s 1780s front-lacing stays - https://redthreaded.com/collections/historical-corsets-ready-to-ship/products/1780s-front-lacing-stays-synthetic-whalebone
Slide 5 - false bums
5.1 Period Corsets’ 17th c. Bum Roll (option without flange) - http://www.periodcorsets.com/catalog/product_info.php?cPath=23&products_id=46&osCsid=9970171afa2d01e7e49737a2e1ecaf52
5.2 IlFioreNero’s 18th Century False Rump - https://www.etsy.com/listing/480792629/18th-century-false-rump-in-cotton-choose?ref=shop_home_active_1
5.3 The Bum Shop, 1785. Printmaker R. Rushworth, Publisher S.W. Forres. Lewis Walpole Library - http://findit.library.yale.edu/catalog/digcoll:553752
5.4 Sarah Woodyard’s c. 1780 split bum, photo by Susan Holloway Scott - http://twonerdyhistorygirls.blogspot.com/2014/03/that-big-georgian-bum-c-1780.html
Slide 6 - panniers/pocket hoops
6.1 Korset og pocher (corset and panier), National Museum of Denmark via Tidens Tøj - https://natmus.dk/historisk-viden/temaer/modens-historie/1700-1790/korset-og-pocher/
6.2 Woman’s Hoop Petticoat (Panier), English, 1750-1780, Los Angeles County Museum of Art - https://collections.lacma.org/node/214714
6.3 The Staymaker’s square hoop c 1740s-50s -http://thestaymaker.co.uk/gallery-hoops.php
Slide 7 - pockets
7.1 Pocket, 1796, probably American, Metropolitan Museum of Art - https://www.metmuseum.org/art/collection/search/80038309?rpp=20&pg=1&ft=*&what=Pockets&pos=8
7.2 Pocket, English, Museum of Fine Arts Boston - https://www.mfa.org/collections/object/pocket-116888
7.3 A Fashionable Frolick’s 18th century white cotton dimity pocket - https://www.etsy.com/listing/161191556/18th-century-hand-sewn-white-cotton
7.4 Still of Emma Watson in Beauty and the Beast (2017)
Slide 8 - petticoat
8.1 Koshka the Cat’s easy 18th century petticoat - http://www.koshka-the-cat.com/18c_petticoat.html
8.2 See 8.1
8.3 Before the Automobile//The Aristocat/Augustintytar’s 1780s petticoat, 2008, (no longer available on her site). Images from the same photo series are archived at https://web.archive.org/web/20151214170858/http://augustintytar.blogspot.fi:80/2011/04/printed-robe-langlaise-2008.html
Slide 9 - no-nos
9.1 Photo of a page from Tale as Old as Time: The Art and Making of Beauty and the Beast (Updated Edition), which shows a costume rendering and a publicity still from Beauty and the Beast (2017). Cropped from a larger image. Original image by instagram user DisneyLifestylers; posted on Tumblr by everythingbeautyandthebeast at https://everythingbeautyandthebeast.tumblr.com/post/156433787576/more-images-of-belles-village-dress-from
9.2 Vixen Pirate Dress by Leg Avenue
9.3 Pink corset by ErikaRochelle on Etsy - https://www.etsy.com/listing/124659585/pink-1700s-corset-with-steel-busk-and?show_sold_out_detail=1
9.4 Still of Elizabeth Berridge in Amadeus (1984)
Slide 10 - the end
10.1 Couture Mayah - http://www.couturemayah.info/eng18th%20century%20underwear.html
10.2 Still from “Getting dressed in the 18th century”, video by Crow’s Eye Productions, Lady Lever Art Gallery & National Museums Liverpool - https://www.youtube.com/watch?v=UpnwWP3fOSA
10.3 Still from “Getting dressed in the 18th century - working woman”, video by Crow’s Eye Productions, Lady Lever Art Gallery & National Museums Liverpool - https://www.youtube.com/watch?v=nUmO7rBMdoU
10.4 Cropped publicity still from “Harlots” - https://www.chron.com/entertainment/entertainment_columnists/jeanne_jakle/article/Harlots-delivers-sex-galore-from-a-11022805.php?ipid=layoutrecirc_weather#photo-12599053
10.5 Fashion through History - https://fashionthroughherstory.com/2013/12/13/18th-century-underwear-photos/