Consists of 44 lantern slides that may have been used as part of a health campaign in China under the direction of a missionary association, most likely the Young Men’s Christian Association (YMCA) or China Medical Missionary Association (CMMA), the Joint Council or the Council on Health Education. Martha Edna Breithaupt worked in the public health field in China during the 1920s. She likely collected these lantern slides during this period in her life.