Correspondence
Typewritten letter, 2 pages
Handwritten letter, 18 pages
Typewritten letter, 1 page
Typewritten letter, 1 page
Discussion on motor hyper- and hypoplasia work
Letter asking Trinkaus for a letter of recommendation
Part of To Francis Otto Schmitt from The Schmitty Verein, May 1941
Letter from Chen to the Trinkauses, mentioning his move to Stony Brook.
Typewritten
Letter about visit
Scheduling meeting
Christmas letter from Norway
Travel and research plans. Wants to work with Hamburger for a month.
Letter from Norway
Now at University of Minnesota. Still like to visit Hamburger
Letter from Norway about a paper by Hamburger
Letter from Norway
Request to work with Hamburger. List of publications. Research plans
Letter about visit
Part of To Francis Otto Schmitt from The Schmitty Verein, May 1941