File 1921 2 folders Box 4 In: Marshall L. Cook and William R. Cook papers, 1880-1945 » Correspondence
File 1925 2 folders Box 4 In: Marshall L. Cook and William R. Cook papers, 1880-1945 » Correspondence
File 1929 2 folders Box 4 In: Marshall L. Cook and William R. Cook papers, 1880-1945 » Correspondence
File 1930 2 folders Box 4 In: Marshall L. Cook and William R. Cook papers, 1880-1945 » Correspondence