There are two works by H Marksteiner in the graphic collection of the University of Giessen....
Story here with some more of his work: https://www.derryjournal.com/news/my-great-great-grandfather-painted-these-100-years-before-i-was-born-119857
Probably the miniature painter A McFarland who set up on Strabane in 1831: https://www.cotyroneireland.com/surnames/mcfarland.html
Caillé sometimes painted over prints, though he may well have had the talent to make a copy from scratch:...
Another copy signed "F Caille". https://www.rouillac.com/en/lot-260-83781-dapres_jules_arsene_garnier_1847_1889repas
Is that really pottery? It seems to have a polished stone look.
From memory so this isn't definitive... I don't think 18th century saucers had the well which wasn't introduced till 1820 or so.
Here's her obituary, mentioning both art and horses: https://www.legacy.com/us/obituaries/skagitvalleyherald/name/dorothy-peth-obituary?id=16905178
I think you're right, and that the letters are A.R.E., standing for Associate of the Royal Society of Painter-Engravers, which RS Hope became in...
Another version of the "Chateau": https://www.mutualart.com/Artwork/-La-Chateau-Sur-Seine-/87B975F5BC24D0680DEB983BAFEE715F?login=1
Here's another watercolour by Mitchell. It has the same label and a near adjacent stock number, along with a Frost and Reed label, which gives you...
A possible Helen Kelly, with minimal information: https://books.google.co.uk/books?id=uusmEAAAQBAJ&pg=PA268&dq#v=onepage&q&f=false
New Jersey. https://en.wikipedia.org/wiki/Ho-Ho-Kus,_New_Jersey
The third and fifth are views of the Ipatiev Monastry at Kostroma.
The something plasticy is probably ivorine, which can go back to the end of the nineteenth century, though the Persian examples seem to be...
A bit of biography: https://patch.com/georgia/norcross/vargas-harbin-to-feature-work-from-armenian-artist
Signed "Haider".
Inspired, if distantly, by this Millet from 1851: https://commons.wikimedia.org/wiki/File:Going_to_Work_by_Jean-Fran%C3%A7ois_Millet,_1851-53.jpg:...
Brief biography: http://www.gunnsgallery.co.uk/artists/647/david-short
This is the only sale I can find for one of Woodley's books (rebound in this case):...
Separate names with a comma.
