Automatic stratification of information. - David Lefkovitz; Noah S. Prywes (AFIPS Spring Joint Computing Conference, 1963)

The Large Data Base File Structure Dilemma. - David Lefkovitz (J. Chem. Inf. Comput. Sci., 1975)

SIGIR(Tutorial Session). - Donald B. Crouch; David Lefkovitz; Julius T. Tou; Chung-Shu Yang (ACM Annual Conference, 1976)

Recent advances in information retrieval (Tutorial Session). - Donald B. Crouch; David Lefkovitz; Julius T. Tou; Chung-Shu Yang (ACM Annual Conference, 1976)

EPA health and environmental effects data analysis system. - David Lefkovitz; Amy Rispin; Carol Kulp; Helen Hill (J. Chem. Inf. Comput. Sci., 1981)

Sci-Mate - a microcomputer system for Online Search and Personal File Management. - David Lefkovitz; David Toliver (ACM Annual Conference, 1983)

An Embedded Software Design Simulator for ADA Multitasking. - David Lefkovitz; Roger Y. Lee; Philip R. Nelson (ICPP, 1985)