G D (but not Garrett) was consistently anti-Semitic, as shown in correspondence over the years; see R Phillips' article and S Mac Lane coming to Birkhoff's defence .
GD (ngunit hindi Garrett) Ay patuloy na anti-Semitiko, tulad ng ipinapakita sa sulat sa paglipas ng taon; makita R Phillips' article at S Mac Lane pagdating sa Birkhoff ng depensa.