Negatives of classes, rehearsals, productions from various dance companies from Chicago and New York. Also includes various international companies’ performances. Portraits of dancers and company members are included. Includes 35 mm, 120 mm, and 4 mm x 3 mm sizes. Negatives are in both black and white and color. Some positives are included. Photographs of Chicago and New York appear on some negatives. Images covered in negatives appear in other formats in the collection.