Except it's not always that simple:
Many of the full entries on countries are NOT the first search result. You want to make sure that you are looking at the entry from Grove Encyclopedia of Art. The entry should be long and include a table of contents on the left-hand side.
For France, search "France, Republic of"
For Ireland, look at both Northern Ireland and the Republic of Ireland.
There are articles about women in the arts from Grove Art:
Once you’ve noted some names of artists/patrons, you can narrow down to a focus piece. Try starting by:
You need to find an image to include with your topic proposal:
Google Images. There are many images available freely on the web, but make sure that the image is of your piece (often times images that are located near the name of the piece are not the actual piece).
ArtStor contains hundreds of thousands of high resolution images.
Find out a little about the artist/patron
Investigate the piece
Even if the artist and piece are not well-known, they can make a good focus piece. However, before you commit to it, it is worth doing some research to check if you can learn more about the artist and their work.