"Estimation for Dirty Data and Flawed Models."

Krasker, W. S., E. Kuh and Roy E. Welsch. In Handbook of Econometrics, edited by Michael D. Intrilligator and Zvi Griliches, 651-698. Amsterdam, The Netherlands: North-Holland, 1983.

"Influential Data."

Welsch, Roy E. In Encyclopedia of Statistical Sciences, edited by N. L. Johnson and S. Kotz, 119-212. New York, NY: Wiley, 1983.

"Leverage."

Welsch, Roy E. In Encyclopedia of Statistical Sciences, edited by N. L. Johnson and S. Kotz, 610-611. New York, NY: Wiley, 1983.

"Discussion of 'Developments in Linear Regression Methodology: 1959-1982,' by R. R. Hocking."

Welsch, Roy E. Technometrics Vol. 25, No. 3 (1983): 245-246.

"The Use of Bounded-Influence Regression in Data Analysis: Theory, Computation and Graphics."

Roy E. Welsh and W. S. Krasker. In Computer Science and Statistics: Fourteenth Symposium on the Interface, Berlin, Germany: June 1983.

"Diagnostics and Graphics for Influential Data."

Roy E. Welsch. In American Society for Quality Control 37th Annual Quality Congress Transactions, Milwaukee, WI: May 1983.