Text
On Hamburger's upcoming talk at Amherst. On Nicholas.
Greetings for Hamburger's 69th birthday
On the publication of Hamburger's historical account of Spemann in the November issue of "Experientia".
Requesting an invitation for Rita Levi-Montalcini to the International Cell Congress in September. Short note on induction, particularly on Spratt's review in Physiol. Rev.
On his current work with Ambylstoma embryos. On the revision of Hamburger's "Manual of Experimental Embryology". Asks for advice with vital staining.
On the modalities for Holtfreter's upcoming talk at Hamburger's department.
On his recent visits at Harvard, MIT, and other scientific institutions.
Season's greetings
Private letter
Discussion on offer to Mr. Preer
Comments on Holtfreter's proposal for the Academy meeting. On Haddow's article on "Mechanisms of Carcenogenesis" (1953).
Thank you note for a shipment of torosus eggs for a class in experimnental embryology. Talks about his plans for visiting Woods Hole.