I am very sorry Sarah, but by pointing mouse over pictures we can see the filenames, which are:
Rice1865.jpg
Rice1882.jpg
Rice1890.jpg
Rice1903.jpg
Please, be more attentive next time, so we could enjoy your next "puzzle" more.
Or you could try not cheating
You write some nice historical pieces, batgirl. You must be cracking some dusty old books. Is this part of a project or a hobby. (If I may be so bold as to inquire.)