Old Pension Building Washington D C -- See Pension Building (Washington, D.C.) Here are entered works on the building now housing the National Building Museum. Works on the museum itself are entered under the name heading National Building Museum (U.S.).
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Old People -- See Older people Here are entered works on the conditions of the aged in general and in particular places. Works on gerontology as a branch of learning are entered under Gerontology.
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Old Persian Inscriptions -- See Also Cuneiform inscriptions Here are entered collections, and specimens of, and works on, cuneiform writing inscribed on stone, metal and other hard surfaces. Collections and specimens of, and works on, cuneiform writing preserved on clay tablets are entered under Cuneiform tablets. Such works, if limited to a particular language, are entered under the name of the language with the subdivision Texts.