based on the proceedings of a symposium held at the XIX World Conference of the International Council for Bird Preservation, June 1986, Queens University, Kingston, Ontario, Canada Cooper, J. E. (John Eric) 1944- International Council for Bird Preservation World Conference (19th : 1986 : Queens University, Kingston, Ontario) text Cambridge, England International Council for Bird Preservation c1989 monographic xi, 200 p. ; 22 cm. edited by J.E. Cooper. Includes bibliographical references and index. Birds Diseases Congresses Birds Conservation Congresses Rare birds Diseases Congresses SF994 .D57 1989 639.9/78 0946888183 91128463 UOEL 000 20150521092727.0 000