Titles
- Letter from Francis J. Ryan to Joshua Lederberg37
- Haymaker Oriental Tour, 195136
- Letter from Edward L. Tatum to Joshua Lederberg36
- [Hospitals - Designs and Plans]: Plan Nacional De Instalaciones Del Seguro De Enfermedad36
- Children - dental care35
- Letter from Herman M. Kalckar to Joshua Lederberg35
- Letter from Joshua Lederberg to Sol Spiegelman35
- Letter from Norman H. Horowitz to Joshua Lederberg35
- [Page of text in "On urines"]35
- Microscopy: General view- Early Microscope with various attachments34
- Letter from Joshua Lederberg to Max Zelle33
- Letter from B. A. D. Stocker to Joshua Lederberg32
- [Page of tabular summaries in "Articella"]32
- Letter from Joshua Lederberg to James F. Crow31
- Letter from Max Zelle to Joshua Lederberg30
- [Fredrickson fifth "science deputy" coffee]30
- [NIH- NCI cancer research album 2.]30
- Letter from Barton Childs to Joshua Lederberg29
- Letter from William Hayes to Joshua Lederberg29
- Microscopy: General view- Early Microscope29