A different view of stone monuments, memorials and buildings of Washington, D.C. : Washington, D.C., July 13, 1989 / by Doe, Bruce R.

Subjects: “…Weathering of buildings Washington (D.C.)…”
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Flora columbiana prodromus, exhibens enumerationem plantarum qua hactenus explorata sunt; or A prodromus of the Flora columbiana, exhibiting a list of all the plants which have as... by Brereton, John A.

Subjects: “…Botany Washington (D.C.)…”

The impact of three exotic plant species on a Potomac island / by Thomas, Lindsey Kay

Subjects: “…Plant introduction Washington (D.C.)…”

Spring in Washington by Halle, Louis Joseph, 1910-

Subjects: “…Natural history Washington (D.C.)…”

Spring in Washington. Decennial ed. by Halle, Louis Joseph, 1910-

Subjects: “…Natural history Washington (D.C.)…”

Catalog of type specimens of recent fishes in the National Museum of Natural History, Smithsonian Institution. by Howe, Jeffrey C.

Subjects: “…Sharks Catalogs and collections Washington (D.C.)…”

The tradition of science : landmarks of western science in the collections of the Library of Congress / by Bruno, Leonard C.

Subjects: “…Science History Library resources Washington (D.C.)…”

Hints on public architecture : containing, among other illustrations, views and plans of the Smithsonian Institution : together with an appendix relative to building materials / by Owen, Robert Dale, 1801-1877

Subjects: “…Washington (D.C.) Smithsonian Institution Building.…”

River of redemption : almanac of life on the Anacostia / by Schlyer, Krista, 1971-

Subjects: “…Stream ecology Anacostia River Watershed (Md. and Washington, D.C.)…”
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Geological exploration of the southern Rock Creek Valley in DC : Washington, D.C., July 13, 1989 / by O'Connor, James V.

Subjects: “…Geology Washington (D.C.) Rock Creek Valley Guidebooks.…”
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The ferns and fern-allies of Maryland and Delaware including District of Columbia. by Reed, Clyde Franklin, 1918-

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Birds of Maryland, Delaware, and the District of Columbia / by Beehler, Bruce McP

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The National Gem Collection /

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Catalog of type specimens of recent fishes in the National Museum of Natural History, Smithsonian Institution.

Subjects: “…Fishes Catalogs and collections Washington (D.C.)…”

America's Castle : the evolution of the Smithsonian Building and its institution, 1840-1878 / by Hafertepe, Kenneth, 1955-

Subjects: “…Smithsonian Institution Building (Washington, D.C.)…”

Catalog of type specimens of recent Crocodilia and Testudines in the National Museum of Natural History, Smithsonian Institution / by Reynolds, Robert P.

Subjects: “…Crocodilians Type specimens Catalogs and collections Washington (D.C.)…”
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The exploration of space /

Subjects: “…Symposium on Space Physics (1959 : Washington, D.C.)…”
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Atlantic coastal plain sedimentation and basement tectonics southeast of Washington, D.C. : Fort Washington to Waldorf, Maryland, July 13, 1989 / by McCartan, Lucy

“…Field trip guidebook (International Geological Congress (28th : 1989 : Washington, D.C.)) ;…”
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Animal care and management at the National Zoo : interim report /

Subjects: “…Zoo animals Handling Washington (D.C.)…”
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Catalog of the type specimens of stony corals (Milleporidae, Stylasteridae, Scleractinia) in the National Museum of Natural History, Smithsonian Institution / by Cairns, Stephen

Subjects: “…Scleractinia Type specimens Catalogs and collections Washington (D.C.)…”