The links below may be of interest:-
Duty and Discipline
A book published in 1910, bewailing the "State of the Youth of Today", with a contribution by B-P.
An account of a fishing trip to Norway by B-P and his nephew in 1912.
Memories of Guiding, in England and in Africa; anecdotes by various authors.
Heather to Betty
Letters written by B-P's elder daughter in England to his younger daughter in Africa, 1936-64.
Letters from Betty
Letters from Betty in Africa to her parents & in-laws in England, 1936-64
An American WebSite; one of the best I've seen, for B-P and Scouting.
An account of a Guide & Scout Cruise to visit Scandinavian Guides & Scouts, 12-29 August, 1933
A Canadian WebSite that has almost all the American editions of B-P's books, as downloadable .PDFs