Lillie, Frank Rattray
Lillie comments on a theory of development and looks forward to seeing Hamburger
Comments on embryonic segregation
Notes and list written in German
Hamburger thanks Lillie for sponsoring Florence Moog's publication
Lillie thanks Hamburger for manuscript copy and details his work with a new assistant
Hamburger notes the work of J.M. Cairns and requests a copy of Popoff's book from Lillie; informs Lillie of the acceptance of his manuscript
Lillie thanks Hamburger for manuscript copy and details his work with a new assistant
Hamburger informs Lillie of his arrival in Berlin and the good health of his family, details his plans to return to Chicago
Park commends Hamburger's manuscript and acknowledges Lillie's recommendations for reviewers
Hamburger acknowledges Lillie's recommendation to retrieve Popoff book from library
Hamburger informs Lillie of an offer to head a laboratory in Odessa and his hesitancy to accept the position
Outline of laboratory work for Experimental Embryology course