Hardcover. Princeton NJ, Princeton University Press, First Edition, 1989, Book: Very Good, Dust Jacket: Very Good, 398 pages. Hardcover compilation of 6 essays that originated from the Eranos Conferences in the years 1952 to 1960. Brown & black cloth covers with gilt titles. Ivory dust jacket with toning to spine, and in very good condition. Clean text.
Hardcover. Cambridge MA, Belknap Press of Harvard University, 1st, 1982, Book: Very Good, Dust Jacket: Good, Hardcover in a bright dust jacket with light chipping, price-clipped, 974 pages. No one in this century can speak with greater authority on the progress of ideas in biology than Ernst Mayr. Ten years in preparation, this is a work of epic proportions, tracing the development of major problems of biology from the earliest attempts to find order in the diversity of life, to modern research into mechanisms of gene transmission. Name on front fly leaf, otherwise clean.
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