Brief History of the Girl Scouts of the USA: Official GSUSA history pages.
Girl Scout Historical Uniforms: Uniform collection by Merana and includes general Scouting information.
Girl Scouts Yesterday and Today: Historic information concerning the Girl Scouts of the USA including biographical sketch of Birdsall Otis Edey.
History of the Girl Scout Organization: Founders, development and organization of the Girl Scouts of the USA.
The Girl Scout Law through the years: Changes and Development in the GS Law.