- SeriesPamphlet 55 - General Missionary Work
- SeriesPamphlet 56 - Grinnell-in-China
- Box56 - Grinnell-in-China Photographs
- File56 p19 - Grinnell-in-China Photographs
- File56 p19a - Clark Morris '26 Photos Group III
- File56 p19b - Clark Morris '26 Photos Group IV
- File56 p19c - Clark Morris '26 Photos Group V "Public Institutions"
- File56 p19d - Clark Morris '26 Photos Group VI "Flood and Famine"
- File56 p19e - Clark Morris '26 Photos Group VIII "Grace Wyckoff Memorial School"