U.S. Department of Health Education and Welfare.

New York Library Association. College and University Libraries Section. Boone, Morell D., ed.

Gürçay, Özdemir.

Rochester Conference on Toxicity (2d : 1969) Maniloff, Jack, ed. Coleman, James R., ed. Miller, Morton W., ed.

Food Safety Conference (2nd : 1969 : Cambridge, England) Roe, Francis J. C., editor.

Symposium on Ordered Fluids and Liguid Crystals (2d : 1969 : New York). Johnson, Julian F., ed. Porter, Roger S., ed.

International Seminar on Approval and Gathering Plans in Large and Medium Size Academic Libraries, (2nd, 1969 Western Michigan University) Spyers-duran, Peter, ed. Gore, Daniel, ed.

Food Safety Conference (2nd : 1969 : Cambridge, Eng.) Roe, Francis J. C. ed.

University of Georgia Topology of Manifolds Institute : (2d : 1969) Cantrell, J. C., ed. by Edwards, C. H., ed. by

Symosium on Oral Sensation and Perception (2nd : 1967)

Anglo-Czech Conference of Information Specialists, (2d : 1967 London) Foskett, D. J., ed. Reuck de, A.,ed. Coblans, H., ed.

Alfred Benzon Symposium (2d : 1969 : Royal Danish Academy of Sciences and Letters) Crone, Christian, ed. Lassen, Niels A., ed.