Plans by I & C Marshall of the layout of the New Museums site as at 1925: 2 plans in roll, scale 8 feet to 1 inch:
1) Ground Floor: showing Zoology Rooms and Museum; Newton Room; private room of Prof R Punnett; Engineering Department rooms and workshops; Mineralogical Laboratory and room; and Philosophical Library [Cambridge Philosophical Society Library];
2) Second Floor: showing further Zoology rooms; Newton Library; Balfour Library; Balfour Laboratory; and Sedgwick Laboratory.