Hamburger, Viktor
Asked for feedback on a manuscript on Hans Holtfreter
Gratitude and comments on Hamburger's feedback
Letter with personal updates
Thank you letter for package
Marked in top right corner of first page '* July 23'
References for their chapter in 'Analysis in Development'.
Updates about a recent trip to a meeting on the role of Dobzhansky in the evolutionary synthesis in Soviet Union and teaching courses at Harvard.
Sending a copy of the first edition of 'Analysis of Development'. Probably attached a Price Scale for reprints.
On governmental regulation that make it impossible to visit Hamburger in the US.
On Hamburger's upcoming visit at McGill.
On reading Thoreau's "Walden". On the ph stability of different structures.