| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Introduction to Surveys and Interviews | 978-0-936826-01-1 (0-936826-01-0) | 1978 |
| PS 11 - Designs for Evaluating Social Programs | 978-0-936826-00-4 (0-936826-00-2) | 1979 |
L. C. · L. Clark · L.P. · L.P.C. · Lawrence C. · P. C. · P. Clark