227 resultados para Carnegie Library of Pittsburgh.

Technical information for Congress : report to the Subcommittee on Science, Research, and Development of the Committee on Science and Astronautics, U. S. House of Representatives, Ninety-first Congress, first session / prepared by the Science Policy Research Division, Legislative Reference Service, Library of Congress.

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Wetland management : a report / prepared by the Environment and Natural Resources Policy Division of the Congressional Research Service of the Library of Congress for the Committee on Environment and Public Works, U.S. Senate.

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Catalogue of the mycological library of Howard A. Kelly. comp. by Louis C.C. Krieger.

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Contributions to the genetics of Drosophila melanogaster ...

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Experiments in the breeding of cerions.

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Medusae of the world, by Alfred Goldsborough Mayer.

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Medusae of the world, by Alfred Goldsborough Mayer.

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A montane rain-forest; a contribution to the physiological plant geography of Jamaica, by Forrest Shreve.

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Cave vertebrates of America : a study in degenerative evolution / by Carl H. Eigenmann.

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The ecology of algae : a symposium held at the Pymatuning Laboratory of Field Biology on June 18 and 19, 1959 / Edited by C.A. Tryon, Jr. and R.T. Hartman.

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Ctenophores of the Atlantic coast of North America, by Alfred Goldsborough Mayer ...

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Medusae of the world, by Alfred Goldsborough Mayer.

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American fossil cycads, by G.R. Wieland.

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Science, technology, and American diplomacy : an extended study of the interactions of science and technology with United States foreign policy / Committee on International Relations, U.S. House of Representatives.

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Science, technology, and American diplomacy : an extended study of the interactions of science and technology with United States foreign policy / Committee on International Relations, U.S. House of Representatives.

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