Comprises: Folder 1: 'Master Tank File'. Arranged alphabetically by researcher using tank, 1984-1985 Folder 2: 'Map of Frozen Cells etc'. Small hardback notebook (back cover missing and book worn). Ordered by tab serving as divider, 1972 Folder 3: 'Tank 4. 2 columns' and 'Stacks from Old Tank 4'. Cells from Stanford lab (fibroblast cultures), 1971-1996 …