The Metropolitan Museum of Art has many "educator resources" on Korean art, Islamic geometric design, African art, and more (i.e. books filled with beautifully reproduced images of art and artifacts, along with extensive background history). They are available for download as PDF files. [more inside]
"The Ho-Am Art Museum began with the donation of over 1,200 Korean works of art collected over a period of more than 30 years by Mr. Lee Byung-Chul, the late chairman of the Samsung group. [more]"