--subdivision Collection and preservation under kinds of natural objects, including plants, animals, and antiquities, for works on methods of collecting and preserving these objects, e.g. Fishes--Collection and preservation; subdivision Conservation and restoration under types of art objects, library materials, types of architecture, etc., for works on preserving and restoring these items, e.g. Newspapers--Conservation and restoration; and subdivision Preservation under perishable products, including types of foods, drugs, textiles, etc., e.g. Corn--Preservation
Materials -- Processing -- Technology. / https://id.loc.gov/authorities/subjects/sh85082065 https://id.loc.gov/authorities/subjects/sh00006474 https://id.loc.gov/authorities/subjects/sh2001009096 : International Conference on Advances in Materials and Manufacturing Processes
Materials -- Properties -- Congresses. / https://id.loc.gov/authorities/subjects/sh85082065 https://id.loc.gov/authorities/subjects/sh2008002816 https://id.loc.gov/authorities/subjects/sh99001533 : International Conference on Processing and Characterization of Materials
Materials -- Research -- United States -- Congresses. / https://id.loc.gov/authorities/subjects/sh85082082 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh99001533 : National Research Council (U.S.).