Samuel Chapman Armstrong: A Biographical Study. E-book. Formato PDF Edith Armstrong Talbot   -  Forgotten Books, 2017  - 

I wish to express my thanks first of all to my husband; to Doctor Talcott Williams, Professor lebaron R. Briggs, Colonel T. W. Higginson, Mr. Robert C. Ogden, Mr. Bliss Perry, General 0. 0. Howard, Mr. Herbert Welsh, and Reverend H. B. Frissell, for their kind and generous interest in this book, as well as to those who have lent their treasured letters for publication.