Dear Mr Jensen,
s/f«,r oi D ^ "^^ r e p l y to your l e t t e r of
S i l o u ' ^ ï S r ' ^ ' ' Tinbergen wants me ?o
llr^J
f^^ 5"°^ ^^® welcome to do your
YoS
wnf
S
f S enough
"'^^^^^ ^*
ÏOU w i l l ber S
kind
to ^^^
t e l l office?
him some
weeks beforehand the I x a c t date of yoST
a r r i v a l next y e a r ,
'
Yours very s i n c e r e l y ,
