Hertmant Chairman, Sydney.
Report of the board of trustees of the royal Ontario Museum. - Ontario-CA : Royal Ontario Museum, 1981. - páginas 6-7 : ilustraciones blanco y negro - Anual - No.31 (Jul/Jun 1980-1981) - Annual report ; no.31 . - Royal Ontorio Museum. .
Report of the board of trustees of the royal Ontario Museum. - Ontario-CA : Royal Ontario Museum, 1981. - páginas 6-7 : ilustraciones blanco y negro - Anual - No.31 (Jul/Jun 1980-1981) - Annual report ; no.31 . - Royal Ontorio Museum. .