Houghton Mifflin Co.
[illegible]March 16,1909.Mr John Muir,Martinez, Cal.Dear Mr Muir:We hope you will be interested in the enclosed proof of an advertisement which will appear in newspapers in various parts of the country on Saturday of next week.Very truly yours,Houghton Mifflin Co.[illegible]
1909 Mar 16
Original letter dimensions unknown.
Reel 18, Image 0310
Copyright status unknown