Correspondence
Update on research
Suggested changes to manuscript.
Enclosed embryo maps. Update on research
Experimental updates. Plans for travel
Update on research and training
Research and travel updates
Updates on current research. Request for comments.
3 page letter on Levi-Montalcini's currrent research on the role of lymphokines on NGF synthesis, her publishing plans and social activities.
Congratulations on honors. Update on career
On getting Holtfreter a position at MIT: "You would be close to Woods Hole ( )".
Requesting recommendation for assistant professor
Updates on research and publications