Administrative Information
Acquisition Information
The Koyl-Mathieson Collection was transferred from the Library of Congress Prints and Photographs Division in 2019.
Processing History
The Koyl-Mathieson Collection was arranged and described by Rosa Hernandez in 2020.
Preferred Citation
Researchers wishing to cite this collection should include the following information: Container number, Koyl-Mathieson Collection, Manuscript Division, Library of Congress, Washington, D.C.