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Finding aid
Transverse section through the Science Quadrangle showing the new Chemistry Building--Howard University, Washington, D.C. [panoramic cellulose acetate photonegative].
Plan of Science Quadrangle showing the new Chemistry Building--Howard University, Washington, D.C. [cellulose acetate photonegative].
Section through main quadrangle looking west [copy negative of architectural drawings by Albert I. Cassell, 1932 : cellulose acetate photonegative, banquet camera format].