This resource dives into the international history of art, which includes Japanese art history as well!
This database focsues specifically on Japanese art and Japanese art history with a strong focus on Ukiyo-E in general.
Japanese Woodblock Print Search
This is a great website to look up Ukiyo-E art from the 1700's all the way to the Meiji Era period with lots of documented woodblock prints.
This open database is filled with extensive research-based information on Japanese art, including Ukiyo-E!
Meiji Japan serves as a digital collection of research papers by the late 1800's/early 1900's American polymath Edward Slyvester Morse.
A fantastic database dedicated to Japanese culture with documented art and art history.