Here are entered works on the category of perennial plants that grow from bulbs, corms, rhizomes, tubers, or tuberous roots. Works on the anatomical structure of perennial plants consisting of an underground modified stem and modified leaves that contain stored food are entered under Bulbs (Plant anatomy).
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Perennials. / https://id.loc.gov/authorities/subjects/sh85099785 : Armitage, A. M.
Peres Peres, Antzelmo -- Travel -- United States. / https://id.loc.gov/authorities/names/nr93011441 https://id.loc.gov/authorities/subjects/sh99005039 https://id.loc.gov/authorities/names/n78095330-781 : Torre, Domingo de la.
Here are entered works on the restructuring of Soviet society initiated by General Secretary Mikhail Gorbachev. When this heading is assigned, additional subject headings are assigned, e.g. Soviet Union--Politics and government--1985-1991; Soviet Union--Economic policy--1986-1991.
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Perestroĭka -- Ukraine. / https://id.loc.gov/authorities/subjects/sh89001101 https://id.loc.gov/authorities/names/n81017756-781 : Marples, David R.
Here are entered works on the restructuring of Soviet society initiated by General Secretary Mikhail Gorbachev. When this heading is assigned, additional subject headings are assigned, e.g. Soviet Union--Politics and government--1985-1991; Soviet Union--Economic policy--1986-1991.