CD #2 [see Audio Materials List on page 24 for description] Box 9, Folder 39 Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitled
CD #3 [see Audio Materials List on page 24 for description] Box 9, Folder 40 Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitled
CD #4 [see Audio Materials List on page 24 for description] Box 9, Folder 41 Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitled
CD #5 [see Audio Materials List on page 24 for description] Box 9, Folder 42 Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitled
Certificate of Life Membership in the National Association for the Advancement of Colored People, December 1957 Box 3, Folder 18 Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitledD. Awards and Honors
Certificate of Participation in contributing to the cost of the Fighter Plane "City of Hartford,", November 1942 Box 3, Folder 10 Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitledD. Awards and Honors
Certificates given by: Trinity College, June 1951 and New York University, May 1951; see OVERSIZE # 4 in Box 12 Box 3, Folder 15 Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitledD. Awards and Honors
C. Foundations and Associations Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitled
Check Register, April 1917-March 1918 Box 4, Folder 8 Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitledE. Financial
Check Register, July-December 1919 Box 4, Folder 9 Bookmark Collection Context Connecticut Museum of Culture and History Koopman Family Papers, 1829-2004untitledE. Financial