Contains x-rays, photographs, slides, research laboratory notebooks, experimental layouts, calculations, computer disks, correspondence, and notes. Materials date from 1970 to 2018.
Contains records pertaining to samples of material and probes Lefkowitz sent to other labs and schools for research. Types of materials include correspondence, address lists, research diagrams, invoices, and packing slips. Materials dates from 1985 to 2003.
Some of the folder titles use Greek letters common to scientific notation. Types of materials include request forms, research notes, correspondence, diagrams, molecular biological sequence diagrams, and articles. Materials date from 1987 to 2003.