A little later than I hoped to post, here are some points of reference for the new projects.
You can google search, authentic western american clothing 1800's yourself...
...or there are plenty of films that offer good points of reference. One of my favourites is Appaloosa, starrinng Ed Harris and Viggo Mortensen.
How authentic, Clint Eastwood's western movies are , is questionable but they do offer some good style pointers.
Here are some refs for the scarecrow project.