1.W.P. Purcell, "Applications of Molecular Electron Charge Distribution to Fundamental Concepts of Structure-Activity Relationships," Southern Chemist Program Issue, Southeast-Southwest Regional Meeting of the American Chemical Society, Memphis, Tennessee, November, 1965.

2.W.P. Purcell, "Progress in Developing Quantitative Structure-Activity Models," Recent Advances in Medicinal Chemistry, Southeastern Regional Meeting of the American Chemical Society, Richmond, Virginia, November 1969.

3.J.M. Clayton and W.P. Purcell, "Physicochemical Approaches to Drug Design," 160th National Meeting of the American Chemical Society, Chicago, Illinois, September, 1970, Medicinal Chemistry No. 25.

4.W.H. Lawrence, G.E. Bass, W.P. Purcell, and J. Autian, "Utilization of Mathematical Models in the Study of Structure-Toxicity Relationships of Dental Compounds," presented in part at the American Association for the Advancement of Science Meeting, Chicago, Illinois, December 26-31, 1970.

5.J.M. Clayton and W.P. Purcell, "Experimental Electric Dipole Moments of Selected N,N-Dimethylaniline Derivatives and Comparison with Values Calculated from Molecular Orbital approximations," 160th National Meeting of the American Chemical Society, Chicago, Illinois, September 1970, Physical Chemistry No. 196.

6.J.M. Clayton, G.E. Bass, and W.P. Purcell, "A Comparison between the Theoretical and Experimental Electric Dipole Moments of Selected N,N-Dimethylaniline Derivatives," Abstracts of Papers, 161st National Meeting of the American Chemical Society, Los Angeles, California, March, 1971, Physical Chemistry No. 15.

7.W.P. Purcell, "Quantitative Structure-Activity Relationships in Drug Design," Symposium on Physicochemical Parameters in Drug Design, Third Central Regional Meeting of the American Chemical Society, Cincinnati, Ohio, June, 1971.

8.W.P. Purcell and J.M. Clayton, "An Example of the Application of Quantitative Structure-Activity Relationship Models," 3rd International Symposium on Medicinal Chemistry, International Union of Pure and Applied Chemistry, Milan, Italy, September 13-15, 1972.

9.W.P. Purcell, "Strategy of Drug Design," XIe Recontres Internationales de Chimie
Therapeutique, Universite dé Montpellier, Montpellier, France, September 10-12, 1975.

10.W.P. Purcell, T.B. Bosin, and R.D. Gilliom, "Quantitative Structure-Activity Relationships of Biologically Active Indole, 1-Methylindole, and Benzo(b)thiophene Derivatives," 27th Southeast-31st Southwest Regional Meeting of the American Chemical Society, Memphis, TN, October, 1975.

11.I.W. Wainer, J.P. Jadaud, C.W. Naeve, and W.P. Purcell, "The Use of Immobilized Biopolymers as Probes of Biological Properties," 13th International Symposium on Column Liquid Chromatography, Stockholm, June, 1989.

12.R. Kaliszan, T.A.G. Noctor, W.P. Purcell, and I.W. Wainer, "Chiral and Achiral Aspects of Quantitative Structure-Retention Relationships o a Human Serum Albumin Based HPLC Column," 16th International Symposium of Chromatography, Baltimore, Maryland, June, 1992.

13.R. Kaliszan, A. Kaliszan, T.A.G. Noctor, W.P. Purcell, and I.W. Wainer, "Mechanism of Retention of Benozodiazepines in Affinity, Reversed-Phase and Adsorption High-Performance Liquid Chromatography in View of QSAR, " 9th European Symposium on Structure-Activity Relationships: QSAR and Molecular Modeling, Strasbourg, France, September, 1992.

14.Z. Feng, R. Gollamudi, E.O. Dillingham, S.E. Bond, B.A. Lyman, W.P. Purcell, and R.J. Hill, "Molecular Determinants of the Platelet Aggregation-Inhibitory Activity of Carbamoylpiperidines," 9th European Symposium on Structure-Activity Relationships: QSAR and Molecular Modeling, Strasbourg, France, September, 1992.