1955. United States. Civil Aeronautics Board. Bureau of Air Operations, Routes and Carriers Relations Division. North Decimal Degree 90.000000. South Dec... [Washington, D.C.] : [s.n.], 1955.
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1955. United States. Civil Aeronautics Board. Bureau of Air Operations, Routes and Carriers Relations Division. North Decimal Degree 90.000000. South Dec... [Washington, D.C.] : [s.n.], 1955.
1955. American Geographical Society of New York. Briesemeister elliptical equal-area projection. On upper right margin: Atlas of distribution of diseases... New York, NY : American Geographical Society, 1955.
1955. American Geographical Society of New York. Alternate title: World distribution of spirochetal diseases: 2. relapsing fevers louse-borne and tick-bo... New York, NY : American Geographical Society, 1955.