people
Letter to Trinkaus (no year provided), asking Trinkaus about his experiments at Woods Hole.
Letter addressed to "Shelly," giving his opinion about potential committee members at the MBL
Labeled drawing by Trinkaus of 48 hour chick, Embryology course, graded B+, April 13, 1938
Labeled drawing by Trinkaus of unknown organism embryo, Embryology course, graded A-, May 1, 1938
Labeled drawing by Trinkaus of 72 hour chick, Embryology course, May 1, 1938
Letter to Trinkaus about Michael Abercrombie's illness.
Labeled drawing by Trinkaus of 72 hour chick, Embryology course, May 2, 1938
Letter to Curtis about Michael Abercrombie's death.
Letter to Trinkaus, thanking him for sending reprints.
Labeled drawing by Trinkaus of 24 hour chick embryo, Embryology course, March 20, 1938
Labeled drawing by Trinkaus of 23 hour chick embryo, Embryology course, graded A-, March 21, 1938
Labeled drawing by Trinkaus of 21 hour chick embryo, Embryology course, graded A, March 19, 1938