Theory and history of conservation newsletter. Info Type: Publication Place, publisher, year: [s.l.] : ICOM Committee for Conservation, Working Group Theory and History of Conservation, 1997-current Notes: Description made from No. 17, December 2011. Latest issue: No. 19, April 2015. Collation: 39 p. ; illus. ; 30 cm Author corporate: ICOM Committee for Conservation. Working Group on Theory and History of Conservation. Year: 1997. Serial type: Periodical - Serial Description: history of conservation; international committees; working groups; periodicals.