Black and white photograph of Lena Merrill (left) and unidentified Chinese man (right) standing on either side of an arched doorway. In the far distance of the arch, a large stone building or temple is visible.

Black and white photograph of Lena Merrill (right) and an unidentified Chinese (left) man standing in front of the steps to a Chinese building with sloped roofs.

Black and white photograph of a shoreline with many sailing ships pulled up on the shore and in the water. In the left background there are several buildings. Photograph was taken by Robert Merrill in the Chinese coastal resort area of Beidaihe Qu.

Black and white lantern slide copy of a map of China's physiogrpahic divisions, from an unidentified publication.

Black and white lantern slide copy of a sketch map of northern China showing the meanderings of the Great Wall, from an unidentified publication.

Black and white lantern slide copy of a map of Shantung, China, from an unidentified publication.

Black and white lantern slide copy of a map of the Plan of Hai-Ho from Tientsin City to Sea from the Hai Ho Conservancy Commission. Much of the small text of the map is illegible due to the low quality of the image.

Black and white lantern slide copy of a sketch map of Hai-Ho, labeled "Partie Dasse Du Hia-Ho," from an unidentified publication.

Black and white lantern slide copy of a sketch map of Hai-Ho flooded, labeled "Du Fleuve Bleu a Tsing-Kiang," from an unidentfied publication.

Black and white lantern slide of the stone gate structure at the Shanhai pass (Shanhaiguan) of the Great Wall of China.

Black and white lantern slides of the Great Wall of China snaking up the mountainside from the Shan Hai Kwan (Shanhaiguan) gate.

Black and white lantern slide of a group of caucasian men in suits and hats riding donkeys at the Shan Hai Kwan (Shanhaiguan) gate of the Great Wall of China.