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Comments on Trinkaus's book, also sent to Prentice Hall
Letter about galley proofs of Trinkaus's article
Letter thanking Trinkaus for providing letters of recommendation
Letter to Trinkaus thanking him for his suggestion to work in Dr. Wolff's lab in Paris
Letter to Trinkaus thanking him for his Embrylogy course at the MBL
Letter to the Director of the National Cancer Institute at the NIH explaining Trinkaus's laboratory space once he becomes emeritus.
Letter to Trinkaus about his report on Professor Alberch at Harvard University.
Letter to Spence about Harvard's policy on promotions.
Letter to Trinkaus, asking him to prepare concluding remarks for the meeting in honour of Michael Abercrombie.
Letter informing faculty to write new exams each year, and to be present during the final examinations
Letter to Allen commenting on her presentation and her micrographs, and asking when her work will be published.
Letter to Heaysman, asking about what to include in preface to book in honour of Michael Abercrombie.