- Bookshop: B & L Rootenberg (United States)
- ILAB-LILA Member
- Publishing year: 1952
- Subjects: ,autograph, mss, manuscript, genetics, german, 20th century, crick, watson
- Shipment weight: 1000 g
- Publishing place: Tubingen
On letterhead of Max-Planck-Institut für Biologie. Diagrams of two chemical structures, in pen and ink on verso, a slip bearing further diagrams. one in pencil of the double helix, two copied over in pen and ink of DNA "unzipping", and of diagrams of chemical structures.