Series contains 65 color and black-and-white photographs (up to 8x10-inches in size), 86 negatives, over two hundred 3/4 x 2-3/4-inch color transparencies, and 80 35mm color slides. Subjects of the images vary, but include approximately 50 casual images of Doris Duke in various locations, Joseph Castro at various Duke family homes or on vacation, as well as some with various jazz artists. Included are a few photographs of Castro family members. There is also a printer's proof for a jazz album by Kitty White.
Series contains 19 arrangements and 5 pieces of sheet music. Some of the arrangements are original, others contain markings made by the composer. Also, several feature multiple parts, especially arrangements for the Joe Castro Orchestra.
Series contains 14 items, primarily a few letters and cards that speak to the relationship between Castro and Duke, and to the formation of Clover Records.