Processes of stratification in science, 1980: title page (Paul David Allison)

Event history analysis, c1984: title page (Paul D. Allison, Univ. of Pa.)

Event history and survival analysis, 2014: title page (Paul D. Allison, University of Pennsylvania) page xi (Paul D. Allison, PhD, Professor of Sociology at University of Pennsylvania; teaches methods and statistics; also founder and president of Statistical Horizons LLC; received his doctorate in sociology from University of Wisconsin)

Sociology at the University of Pennsylvania website, viewed March 10, 2014: link to People page (Paul D. Allison, Ph.D., Professor of Sociology) https://sociology.sas.upenn.edu/paul_allison