Correspondence in this collection begins with 1910 and covers the years when Dudgeon was with the Library Commission. There are not items pertaining to his work after 1920 as librarian for the city of Milwaukee. There is a little correspondence connected with his 1913 trip to Europe to study cooperatives. Also, there is some relating to his service for camp libraries in 1917-1918.
The final three boxes of the collection contain articles and notes.
