The author wishes to express his gratitude for permission to refer
to the works which have been consulted in writing this book.
First and foremost, to Mr. William Roscoe Thayer, for "Theodore
Roosevelt; An Intimate Biography." (Houghton, Mifflin Co.)
To Messrs. Charles Scribner's Sons for these writings of Theodore
Roosevelt: "African Game Trails"; "Theodore Roosevelt: An
Autobiography"; "The Rough Riders"; "Through the Brazilian
Wilderness"; "History as Literature." And for "Theodore Roosevelt
and His Time" by Joseph Bucklin Bishop, in Scribner's Magazine,
for December, 1919.
To Messrs. Harper and Brothers and to Mr. Hermann Hagedorn for
"The Boys' Life of Theodore Roosevelt" by Hermann Hagedorn.
To The Century Company for these books by Theodore Roosevelt: "The
Strenuous Life"; "Ranch Life and the Hunting Trail."
To Messrs. G. P. Putnam's Sons for these books by Theodore
Roosevelt: "American Ideals"; "The Wilderness Hunter."
To Mr. Charles G. Washbura for his "Theodore Roosevelt; the Logic
of His Career." (Houghton, Mifflin Co.)
To Messrs Doubleday, Page & Co. and to Mr. Lawrence F. Abbott for
"Impressions of Theodore Roosevelt" by Lawrence F. Abbott.