people
Readjustment back to the Belgium life and answer to Hamburger's request of recommending a student.
Suggestion of people to write recommendation letter for the Sloan Research Fellowship.
Typewritten letter, 1 page
Handwritten letter, 2 pages
Original in poor condition
Handwritten letter, 2 pages
Handwritten letter, 2 pages
Typewritten letter, 2 pages, with envelope
Updates on Bertalanffy's arrival in St. Louis
Original in poor condition
Original in poor condition