Box 18
First Draft, Chapters, 1-7
Box 19
First Draft, Chapters, 8-19
Box 20
First Draft, Chapters, 20-35
Box 21
First Draft, Chapters, 36-49
Box 22
Draft (2), 1 of 2
Box 23
Draft (2), 2 of 2
Box 24
Draft (3), Chapters 25-39
Box 25
Draft (3), Chapters 40-50; additional material
Box 26
Corrections, additional material
Box 27
Redrafts of individual chapters
Box 28
Redrafts, miscellaneous notes
Box 29
Printers' typescript