1 typed manuscript (carbon copy) with hand-written amendments.; 1 typed page, proofs noted in red, plus tables.; 1 partial (3 pages) manuscript partially hand-written and partially typed.; 1 hand-written worksheets and tables.; 2 typed manuscript (2 typed drafts) with hand-written amendments.; 1 typed 1st draft with hand-written amendments.; 1 hand-written bibliography.; 1 reprint with hand-written notes.; 14 pieces of correspondence.

1 typed manuscript (final).; 1 typed manuscript with hand-written amendments.; 1 photograph of drawing.; 1 reprint, added to file 1978.; 6 pieces of correspondence.

1 typed manuscript (edited).; Mounted photographs with typed notes included in text.

Worksheets.; Typescript.; Typescript of discussion.; 14 mounted photographs.; 1 reprint, added to file Nov. 1978.