Roland Stickney was the premier illustrator of luxury automobiles in the early years of the Classic era, during the 1920s through approximately 1932, and was staff illustrator for LeBaron, Brewster, Judkins, and Rollston

it seems no one is sharing them online that I can find so far though, the above I've verified, but not the below. I'm pretty sure it's Stickney's work

https://www.hemmings.com/stories/article/anatomy-of-a-painting

https://www.vanderbiltcupraces.com/blog/article/a_history_of_coachbuilder_lebaron

http://willoughbycoach.com/StoryDomain_Lincoln.htm

http://www.secondchancegarage.com/public4/build-sheet-1.cfm

https://www.mullocksauctions.co.uk/lot-709599-automotive_rare_1930_hispano_suiza_car_brochure_includes.html

https://www.google.com/books/edition/Henry_Dreyfuss/qTiVEAAAQBAJ?hl=en&gbpv=1&dq=roland+Stickney+illustrations&pg=PT75&printsec=frontcover

https://www.ebay.com/itm/285094147107

https://www.ebay.com/itm/285092843640

https://www.ebay.com/itm/285092827276

https://www.pxfuel.com/en/query?q=lincoln+motor

https://www.trains.com/trn/railroads/history/ideas_on_streamlining_steam_locomotives/