Catalogue of the fossil Bryozoa in the Department of geology, British museum (Nautral history) The Jurassic Bryozoa.
London,Printed by order of the Trustees,1896.
University of California Libraries (archive.org)
Public domain. The BHL considers that this work is no longer under copyright protection.
Evidence reported by ian frederick-rothwell for item catalogueoffossi00britrich on February 28, 2007: no visible notice of copyright; stated date is 1896.