January 9, 1930.
Mr. J. A. Hyland,
McGraw-Hill Book Co.,
370 Seventh Ave.,
New York City, N. Y.
Dear Mr. Hyland,
I am returning herewith corrected galley 80, together with copy for Appendix II to follow it. I am looking forward to receiving second galleys 69-79 and page proof soon, and assure you that I shall correct and return then at once. We realize that the delays have been occasioned by us; we felt, however, that the new material deserved to be included in the book despite this.
Yours truly,
LP/B